./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1iff.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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:30,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:30,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:30,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:30,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:30,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:30,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:30,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:30,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:30,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:30,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:30,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:30,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:30,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:30,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:30,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:30,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:30,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:30,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:30,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:30,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:30,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:30,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:30,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:30,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:30,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:30,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:30,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:30,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:30,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:30,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:30,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:30,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:30,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:30,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:30,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:30,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:30,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:30,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:30,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:30,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:30,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:30,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:30,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:30,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:30,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:30,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:30,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:30,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:30,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:30,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:30,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:30,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:30,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:30,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:30,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:30,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:30,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:30,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:30,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:30,217 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:30,217 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:30,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:30,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:30,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:30,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:30,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:30,219 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:30,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:30,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:30,220 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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 [2021-11-23 15:46:30,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:30,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:30,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:30,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:30,554 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:30,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/s1iff.c [2021-11-23 15:46:30,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/4c672542d/68c989e7c3414a10873e3e59fc1218fd/FLAG297356241 [2021-11-23 15:46:31,097 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:31,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/sv-benchmarks/c/array-fpi/s1iff.c [2021-11-23 15:46:31,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/4c672542d/68c989e7c3414a10873e3e59fc1218fd/FLAG297356241 [2021-11-23 15:46:31,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/4c672542d/68c989e7c3414a10873e3e59fc1218fd [2021-11-23 15:46:31,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:31,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:31,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:31,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:31,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:31,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@971b960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31, skipping insertion in model container [2021-11-23 15:46:31,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:31,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:31,666 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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2021-11-23 15:46:31,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:31,696 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:31,708 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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2021-11-23 15:46:31,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:31,732 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:31,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31 WrapperNode [2021-11-23 15:46:31,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:31,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:31,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:31,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:31,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,773 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2021-11-23 15:46:31,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:31,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:31,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:31,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:31,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:31,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:31,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:31,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:31,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:31" (1/1) ... [2021-11-23 15:46:31,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:31,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:31,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:46:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:46:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:46:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:31,966 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:31,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:32,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:32,130 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 15:46:32,134 INFO L158 Benchmark]: Toolchain (without parser) took 666.50ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 69.9MB in the end (delta: 792.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:32,135 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:32,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.63ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 83.8MB in the end (delta: -13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:32,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.83ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 82.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:32,138 INFO L158 Benchmark]: Boogie Preprocessor took 38.69ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:32,139 INFO L158 Benchmark]: RCFGBuilder took 318.93ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 69.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:32,142 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 109.1MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.63ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 83.8MB in the end (delta: -13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.83ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 82.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.69ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.93ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 69.9MB in the end (delta: 11.1MB). 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 15:46:32,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:34,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:34,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:34,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:34,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:34,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:34,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:34,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:34,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:34,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:34,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:34,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:34,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:34,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:34,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:34,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:34,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:34,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:34,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:34,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:34,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:34,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:34,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:34,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:34,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:34,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:34,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:34,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:34,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:34,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:34,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:34,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:34,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:34,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:34,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:34,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:34,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:34,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:34,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:34,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:34,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:34,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:34,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:34,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:34,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:34,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:34,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:34,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:34,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:34,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:34,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:34,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:34,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:34,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:34,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:34,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:34,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:34,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:34,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:34,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:34,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:34,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:34,865 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:34,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:34,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:34,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:34,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:34,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:34,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:34,867 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:34,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:34,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:34,867 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:34,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:34,868 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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 [2021-11-23 15:46:35,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:35,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:35,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:35,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:35,260 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:35,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/s1iff.c [2021-11-23 15:46:35,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/51afda040/e03b2365640c408ebb3e285013807937/FLAGa4ac89a92 [2021-11-23 15:46:35,946 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:35,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/sv-benchmarks/c/array-fpi/s1iff.c [2021-11-23 15:46:35,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/51afda040/e03b2365640c408ebb3e285013807937/FLAGa4ac89a92 [2021-11-23 15:46:36,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/data/51afda040/e03b2365640c408ebb3e285013807937 [2021-11-23 15:46:36,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:36,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:36,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:36,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:36,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:36,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a48b3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36, skipping insertion in model container [2021-11-23 15:46:36,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:36,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:36,470 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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2021-11-23 15:46:36,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:36,503 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:36,516 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_aacd2c3b-ac8d-4957-b831-f710cb8c232d/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2021-11-23 15:46:36,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:36,565 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:36,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36 WrapperNode [2021-11-23 15:46:36,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:36,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:36,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:36,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:36,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,636 INFO L137 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2021-11-23 15:46:36,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:36,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:36,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:36,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:36,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:36,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:36,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:36,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:36,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:36,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:36,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:46:36,882 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:36,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:37,160 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:37,174 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 15:46:37,185 INFO L158 Benchmark]: Toolchain (without parser) took 890.38ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 32.5MB in the end (delta: 10.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 15:46:37,185 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:37,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.59ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 47.1MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:46:37,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.35ms. Allocated memory is still 62.9MB. Free memory was 46.8MB in the beginning and 45.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:37,188 INFO L158 Benchmark]: Boogie Preprocessor took 30.07ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:37,189 INFO L158 Benchmark]: RCFGBuilder took 514.15ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 32.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:46:37,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.59ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 47.1MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.35ms. Allocated memory is still 62.9MB. Free memory was 46.8MB in the beginning and 45.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.07ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.15ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 32.5MB in the end (delta: 11.5MB). 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 15:46:37,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aacd2c3b-ac8d-4957-b831-f710cb8c232d/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable