./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:53,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:53,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:53,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:53,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:53,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:53,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:53,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:53,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:53,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:53,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:53,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:53,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:53,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:53,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:53,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:53,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:53,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:53,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:53,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:53,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:53,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:53,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:53,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:53,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:53,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:53,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:53,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:53,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:53,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:53,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:53,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:53,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:53,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:53,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:53,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:53,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:53,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:53,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:53,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:53,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:53,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:53,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:53,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:53,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:53,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:53,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:53,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:53,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:53,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:53,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:53,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:53,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:53,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:53,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:53,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:53,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:53,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:53,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:53,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:53,690 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:53,690 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:53,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:53,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:53,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:53,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:53,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:53,692 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:53,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:53,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:53,693 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b [2021-11-23 15:30:53,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:53,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:53,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:53,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:53,989 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:53,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2021-11-23 15:30:54,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/951698cbe/d6fdfa986ce14b8ca0e4041937833237/FLAGe20811ab6 [2021-11-23 15:30:54,644 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:54,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2021-11-23 15:30:54,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/951698cbe/d6fdfa986ce14b8ca0e4041937833237/FLAGe20811ab6 [2021-11-23 15:30:54,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/951698cbe/d6fdfa986ce14b8ca0e4041937833237 [2021-11-23 15:30:54,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:54,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:54,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:54,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:54,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:54,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766be2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54, skipping insertion in model container [2021-11-23 15:30:54,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:55,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:55,247 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2021-11-23 15:30:55,252 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2021-11-23 15:30:55,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:55,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:55,333 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2021-11-23 15:30:55,335 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2021-11-23 15:30:55,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:55,400 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:55,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55 WrapperNode [2021-11-23 15:30:55,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:55,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:55,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:55,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:55,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,450 INFO L137 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2021-11-23 15:30:55,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:55,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:55,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:55,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:55,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:55,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:55,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:55,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:55,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:55" (1/1) ... [2021-11-23 15:30:55,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:55,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:55,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:55,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-23 15:30:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-23 15:30:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2021-11-23 15:30:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2021-11-23 15:30:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:30:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:30:55,672 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:55,674 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:55,936 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:55,989 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 15:30:55,996 INFO L158 Benchmark]: Toolchain (without parser) took 1038.42ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 83.5MB in the end (delta: -30.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:55,997 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 60.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:56,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.63ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 57.9MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:30:56,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 88.1MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:56,016 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 55.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:56,017 INFO L158 Benchmark]: RCFGBuilder took 502.51ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 83.5MB in the end (delta: -28.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 15:30:56,022 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 88.1MB. Free memory was 61.0MB in the beginning and 60.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.63ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 57.9MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 88.1MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 55.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.51ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 83.5MB in the end (delta: -28.8MB). Peak memory consumption was 16.9MB. 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 15:30:56,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:58,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:58,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:58,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:58,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:58,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:58,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:58,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:58,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:58,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:58,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:58,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:58,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:58,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:58,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:58,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:58,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:58,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:58,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:58,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:58,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:58,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:58,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:59,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:59,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:59,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:59,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:59,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:59,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:59,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:59,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:59,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:59,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:59,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:59,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:59,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:59,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:59,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:59,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:59,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:59,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:59,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:59,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:59,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:59,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:59,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:59,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:59,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:59,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:59,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:59,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:59,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:59,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:59,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:59,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:59,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:59,088 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:59,089 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:59,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:59,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:59,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:59,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:59,090 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:59,090 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:59,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:59,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:59,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:59,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:59,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:59,092 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:59,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:59,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:59,092 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:59,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:59,093 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b [2021-11-23 15:30:59,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:59,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:59,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:59,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:59,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:59,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2021-11-23 15:30:59,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/4d137db5f/d5b2375542e94c46b97abf3448269e0e/FLAG8b2dbf5d2 [2021-11-23 15:31:00,169 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:00,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2021-11-23 15:31:00,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/4d137db5f/d5b2375542e94c46b97abf3448269e0e/FLAG8b2dbf5d2 [2021-11-23 15:31:00,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/data/4d137db5f/d5b2375542e94c46b97abf3448269e0e [2021-11-23 15:31:00,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:00,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:00,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:00,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:00,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:00,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:00" (1/1) ... [2021-11-23 15:31:00,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb6c272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00, skipping insertion in model container [2021-11-23 15:31:00,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:00" (1/1) ... [2021-11-23 15:31:00,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:00,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:00,793 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2021-11-23 15:31:00,800 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2021-11-23 15:31:00,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:00,932 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:00,963 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2021-11-23 15:31:00,969 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_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2021-11-23 15:31:01,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:01,038 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:01,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01 WrapperNode [2021-11-23 15:31:01,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:01,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:01,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:01,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:01,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,082 INFO L137 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2021-11-23 15:31:01,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:01,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:01,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:01,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:01,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:01,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:01,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:01,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:01,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:01" (1/1) ... [2021-11-23 15:31:01,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:01,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:01,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:01,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-23 15:31:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-23 15:31:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2021-11-23 15:31:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2021-11-23 15:31:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:31:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:31:01,368 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:01,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:11,883 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:11,904 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 15:31:11,909 INFO L158 Benchmark]: Toolchain (without parser) took 11425.55ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 47.4MB in the end (delta: -1.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:11,910 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:11,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.03ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.5MB in the end (delta: -144.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:11,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.33ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 43.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:11,914 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 42.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:11,915 INFO L158 Benchmark]: RCFGBuilder took 10784.34ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 47.4MB in the end (delta: -5.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 15:31:11,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.03ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.5MB in the end (delta: -144.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.33ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 43.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 42.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10784.34ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 47.4MB in the end (delta: -5.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:12,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0056ae3e-83c8-4f55-ad9d-c17fc84b6368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable