./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.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_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/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_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/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_56f364c9-f400-4474-a84a-4e2d55301abf/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 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:24,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:24,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:25,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:25,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:25,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:25,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:25,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:25,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:25,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:25,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:25,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:25,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:25,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:25,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:25,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:25,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:25,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:25,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:25,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:25,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:25,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:25,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:25,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:25,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:25,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:25,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:25,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:25,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:25,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:25,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:25,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:25,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:25,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:25,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:25,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:25,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:25,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:25,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:25,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:25,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:25,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:25,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:25,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:25,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:25,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:25,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:25,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:25,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:25,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:25,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:25,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:25,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:25,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:25,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:25,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:25,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:25,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:25,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:25,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:25,218 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:25,218 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:25,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:25,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:25,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:25,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:25,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:25,220 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:25,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:25,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:25,221 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_56f364c9-f400-4474-a84a-4e2d55301abf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f [2021-11-23 15:33:25,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:25,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:25,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:25,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:25,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:25,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i [2021-11-23 15:33:25,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/c654e0ba4/f1ea97ad01e5424da7f31b6dd9c1eac2/FLAG2618a277e [2021-11-23 15:33:26,251 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:26,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i [2021-11-23 15:33:26,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/c654e0ba4/f1ea97ad01e5424da7f31b6dd9c1eac2/FLAG2618a277e [2021-11-23 15:33:26,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/c654e0ba4/f1ea97ad01e5424da7f31b6dd9c1eac2 [2021-11-23 15:33:26,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:26,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:26,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:26,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:26,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:26,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:26,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a1b7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26, skipping insertion in model container [2021-11-23 15:33:26,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:26,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:26,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:26,891 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2021-11-23 15:33:26,925 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2021-11-23 15:33:26,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:26,936 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:26,954 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2021-11-23 15:33:26,971 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2021-11-23 15:33:26,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:26,994 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:26,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26 WrapperNode [2021-11-23 15:33:26,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:26,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:26,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:26,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:27,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,046 INFO L137 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2021-11-23 15:33:27,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:27,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:27,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:27,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:27,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:27,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:27,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:27,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:27,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:26" (1/1) ... [2021-11-23 15:33:27,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:27,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:27,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:27,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:33:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:33:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:33:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:33:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:27,288 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:27,291 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:27,576 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:27,625 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 15:33:27,631 INFO L158 Benchmark]: Toolchain (without parser) took 1049.98ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 50.6MB in the beginning and 82.5MB in the end (delta: -31.9MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:27,632 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:27,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.51ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 50.3MB in the beginning and 97.1MB in the end (delta: -46.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:27,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.53ms. Allocated memory is still 121.6MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:27,635 INFO L158 Benchmark]: Boogie Preprocessor took 42.23ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 93.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:27,636 INFO L158 Benchmark]: RCFGBuilder took 537.33ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 82.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:27,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.51ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 50.3MB in the beginning and 97.1MB in the end (delta: -46.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.53ms. Allocated memory is still 121.6MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.23ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 93.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.33ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 82.5MB in the end (delta: 11.4MB). 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 15:33:27,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/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_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/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_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/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_56f364c9-f400-4474-a84a-4e2d55301abf/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 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:30,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:30,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:30,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:30,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:30,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:30,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:30,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:30,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:30,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:30,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:30,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:30,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:30,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:30,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:30,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:30,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:30,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:30,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:30,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:30,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:30,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:30,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:30,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:30,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:30,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:30,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:30,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:30,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:30,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:30,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:30,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:30,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:30,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:30,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:30,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:30,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:30,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:30,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:30,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:30,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:30,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:30,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:30,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:30,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:30,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:30,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:30,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:30,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:30,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:30,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:30,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:30,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:30,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:30,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:30,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:30,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:30,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:30,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:30,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:30,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:30,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:30,636 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:30,636 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:30,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:30,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:30,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:30,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:30,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:30,637 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:30,638 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:30,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:30,638 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:30,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:30,639 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_56f364c9-f400-4474-a84a-4e2d55301abf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8060cb1ce07e11abaa182acb01dfa4175ca7fb1d00421c40b0d3868d7fbf682f [2021-11-23 15:33:31,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:31,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:31,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:31,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:31,113 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:31,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_1+newton_2_6.i [2021-11-23 15:33:31,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/4a6abd08c/792d12cb7c384a26a8cb546764ee19c3/FLAG4834cd531 [2021-11-23 15:33:31,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:31,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i [2021-11-23 15:33:31,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/4a6abd08c/792d12cb7c384a26a8cb546764ee19c3/FLAG4834cd531 [2021-11-23 15:33:32,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/data/4a6abd08c/792d12cb7c384a26a8cb546764ee19c3 [2021-11-23 15:33:32,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:32,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:32,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:32,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:32,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:32,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d341d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32, skipping insertion in model container [2021-11-23 15:33:32,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:32,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:32,341 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2021-11-23 15:33:32,372 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2021-11-23 15:33:32,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:32,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:32,405 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[1226,1239] [2021-11-23 15:33:32,419 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_56f364c9-f400-4474-a84a-4e2d55301abf/sv-benchmarks/c/combinations/gcd_1+newton_2_6.i[2807,2820] [2021-11-23 15:33:32,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:32,479 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:32,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32 WrapperNode [2021-11-23 15:33:32,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:32,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:32,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:32,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:32,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,547 INFO L137 Inliner]: procedures = 28, calls = 16, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2021-11-23 15:33:32,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:32,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:32,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:32,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:32,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:32,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:32,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:32,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:32,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:32" (1/1) ... [2021-11-23 15:33:32,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:32,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:32,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:32,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:33:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:33:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:33:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:33:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:32,743 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:32,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:56,414 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:56,431 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 15:33:56,435 INFO L158 Benchmark]: Toolchain (without parser) took 24311.46ms. Allocated memory is still 62.9MB. Free memory was 46.2MB in the beginning and 32.0MB in the end (delta: 14.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:56,436 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:56,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.10ms. Allocated memory is still 62.9MB. Free memory was 46.0MB in the beginning and 46.6MB in the end (delta: -640.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:56,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.17ms. Allocated memory is still 62.9MB. Free memory was 46.4MB in the beginning and 44.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:56,438 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 43.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:56,439 INFO L158 Benchmark]: RCFGBuilder took 23851.44ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 32.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:56,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.10ms. Allocated memory is still 62.9MB. Free memory was 46.0MB in the beginning and 46.6MB in the end (delta: -640.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.17ms. Allocated memory is still 62.9MB. Free memory was 46.4MB in the beginning and 44.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 43.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 23851.44ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 32.0MB in the end (delta: 11.2MB). 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 15:33:56,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f364c9-f400-4474-a84a-4e2d55301abf/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