./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/xor3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/xor3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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 c89c2ec3a6d8d6162c4c4ac97fed99fb9c343c7a2c2e60d87226da2b47103d07 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:38,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:38,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:39,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:39,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:39,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:39,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:39,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:39,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:39,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:39,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:39,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:39,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:39,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:39,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:39,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:39,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:39,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:39,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:39,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:39,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:39,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:39,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:39,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:39,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:39,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:39,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:39,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:39,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:39,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:39,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:39,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:39,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:39,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:39,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:39,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:39,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:39,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:39,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:39,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:39,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:39,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:06:39,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:39,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:39,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:39,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:39,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:39,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:39,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:39,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:39,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:39,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:39,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:39,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:39,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:39,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:39,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:39,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:39,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:39,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:39,116 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:39,116 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:39,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:39,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:39,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:39,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:39,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:39,118 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:39,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:39,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:39,119 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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c89c2ec3a6d8d6162c4c4ac97fed99fb9c343c7a2c2e60d87226da2b47103d07 [2021-11-23 15:06:39,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:39,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:39,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:39,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:39,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:39,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-crafted/xor3.i [2021-11-23 15:06:39,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/0ee2d33f1/e6f103ec28384310ba8516191333cd2e/FLAG3a4d1b5b8 [2021-11-23 15:06:40,163 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:40,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/sv-benchmarks/c/array-crafted/xor3.i [2021-11-23 15:06:40,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/0ee2d33f1/e6f103ec28384310ba8516191333cd2e/FLAG3a4d1b5b8 [2021-11-23 15:06:40,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/0ee2d33f1/e6f103ec28384310ba8516191333cd2e [2021-11-23 15:06:40,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:40,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:40,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:40,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:40,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:40,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:40,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c273a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40, skipping insertion in model container [2021-11-23 15:06:40,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:40,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:40,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:40,824 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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/sv-benchmarks/c/array-crafted/xor3.i[1297,1310] [2021-11-23 15:06:40,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:40,853 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:40,898 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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/sv-benchmarks/c/array-crafted/xor3.i[1297,1310] [2021-11-23 15:06:40,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:40,921 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:40,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40 WrapperNode [2021-11-23 15:06:40,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:40,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:40,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:40,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:40,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:40,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:40,984 INFO L137 Inliner]: procedures = 16, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2021-11-23 15:06:40,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:40,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:40,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:40,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:40,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:40,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:41,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:41,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:41,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:41,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:40" (1/1) ... [2021-11-23 15:06:41,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:41,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:41,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:06:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:06:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2021-11-23 15:06:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2021-11-23 15:06:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:41,226 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:41,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:41,353 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:41,376 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 15:06:41,388 INFO L158 Benchmark]: Toolchain (without parser) took 837.23ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.8MB in the beginning and 76.4MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:41,388 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 86.0MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:41,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.60ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 90.5MB in the end (delta: -43.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:41,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.37ms. Allocated memory is still 115.3MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:41,391 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.5MB in the end (delta: 978.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:41,392 INFO L158 Benchmark]: RCFGBuilder took 347.23ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 76.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:41,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 86.0MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.60ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 90.5MB in the end (delta: -43.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.37ms. Allocated memory is still 115.3MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 87.5MB in the end (delta: 978.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.23ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 76.4MB 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 15:06:41,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/xor3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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 c89c2ec3a6d8d6162c4c4ac97fed99fb9c343c7a2c2e60d87226da2b47103d07 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:43,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:43,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:43,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:43,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:43,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:43,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:43,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:43,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:43,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:43,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:43,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:43,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:43,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:43,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:43,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:43,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:43,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:43,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:43,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:43,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:43,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:43,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:43,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:43,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:43,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:43,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:43,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:43,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:43,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:43,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:43,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:43,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:43,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:43,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:43,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:43,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:43,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:43,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:43,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:43,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:43,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:43,914 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:43,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:43,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:43,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:43,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:43,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:43,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:43,917 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:43,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:43,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:43,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:43,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:43,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:43,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:43,919 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:43,919 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:43,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:43,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:43,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:43,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:43,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:43,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:43,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:43,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:43,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:43,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:43,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:43,922 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:43,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:43,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:43,923 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:43,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:43,924 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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c89c2ec3a6d8d6162c4c4ac97fed99fb9c343c7a2c2e60d87226da2b47103d07 [2021-11-23 15:06:44,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:44,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:44,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:44,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:44,338 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:44,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-crafted/xor3.i [2021-11-23 15:06:44,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/ad8af7fac/5fcae3e8d5384a12b7a7e94a99643831/FLAGd116adaa8 [2021-11-23 15:06:44,919 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:44,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/sv-benchmarks/c/array-crafted/xor3.i [2021-11-23 15:06:44,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/ad8af7fac/5fcae3e8d5384a12b7a7e94a99643831/FLAGd116adaa8 [2021-11-23 15:06:45,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/data/ad8af7fac/5fcae3e8d5384a12b7a7e94a99643831 [2021-11-23 15:06:45,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:45,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:45,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:45,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:45,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:45,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8ad599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45, skipping insertion in model container [2021-11-23 15:06:45,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:45,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:45,502 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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/sv-benchmarks/c/array-crafted/xor3.i[1297,1310] [2021-11-23 15:06:45,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:45,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:45,594 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_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/sv-benchmarks/c/array-crafted/xor3.i[1297,1310] [2021-11-23 15:06:45,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:45,624 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:45,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45 WrapperNode [2021-11-23 15:06:45,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:45,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:45,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:45,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:45,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,669 INFO L137 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-11-23 15:06:45,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:45,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:45,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:45,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:45,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:45,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:45,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:45,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:45,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:45" (1/1) ... [2021-11-23 15:06:45,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:45,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:45,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:06:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2021-11-23 15:06:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2021-11-23 15:06:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:06:45,944 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:45,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:46,216 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:46,238 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 15:06:46,242 INFO L158 Benchmark]: Toolchain (without parser) took 960.44ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 38.3MB in the end (delta: 14.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:46,243 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:46,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.52ms. Allocated memory is still 71.3MB. Free memory was 52.3MB in the beginning and 53.0MB in the end (delta: -764.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:06:46,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.36ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 51.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:46,246 INFO L158 Benchmark]: Boogie Preprocessor took 46.06ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 49.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:46,247 INFO L158 Benchmark]: RCFGBuilder took 522.89ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 38.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:46,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.52ms. Allocated memory is still 71.3MB. Free memory was 52.3MB in the beginning and 53.0MB in the end (delta: -764.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.36ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 51.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.06ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 49.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.89ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 38.3MB in the end (delta: 11.5MB). 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 15:06:46,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c1719d-c8cc-49a7-a38d-02727a3dedd3/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