./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:05:42,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:05:42,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:05:42,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:05:42,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:05:42,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:05:42,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:05:42,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:05:42,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:05:42,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:05:42,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:05:42,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:05:42,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:05:42,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:05:42,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:05:42,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:05:42,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:42,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:05:42,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a [2024-12-06 00:05:42,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:05:42,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:05:42,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:05:42,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:05:42,911 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:05:42,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2024-12-06 00:05:45,561 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/b02f19e32/0419325d2c90436aa7101c3a6cfdcce8/FLAG2d3adcab9 [2024-12-06 00:05:45,720 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:05:45,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2024-12-06 00:05:45,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/b02f19e32/0419325d2c90436aa7101c3a6cfdcce8/FLAG2d3adcab9 [2024-12-06 00:05:45,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/b02f19e32/0419325d2c90436aa7101c3a6cfdcce8 [2024-12-06 00:05:45,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:05:45,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:05:45,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:45,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:05:45,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:05:45,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:45,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97de4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45, skipping insertion in model container [2024-12-06 00:05:45,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:45,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:05:45,892 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2024-12-06 00:05:45,916 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2024-12-06 00:05:45,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:45,926 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:05:45,937 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2024-12-06 00:05:45,946 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2024-12-06 00:05:45,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:45,961 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:05:45,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45 WrapperNode [2024-12-06 00:05:45,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:45,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:45,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:05:45,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:05:45,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:45,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:45,993 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-12-06 00:05:45,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:45,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:05:45,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:05:45,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:05:46,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:05:46,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:05:46,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:05:46,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:05:46,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:45" (1/1) ... [2024-12-06 00:05:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:46,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:05:46,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:05:46,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:05:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:05:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:05:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:05:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:05:46,127 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:05:46,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:05:46,271 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 00:05:46,272 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:05:46,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:05:46,323 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:05:46,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:46 BoogieIcfgContainer [2024-12-06 00:05:46,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:05:46,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:05:46,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:05:46,334 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:05:46,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:46" (1/1) ... [2024-12-06 00:05:46,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:05:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:05:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:05:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:05:46,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:05:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:05:46,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:05:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:05:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:05:46,510 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:05:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:05:46,528 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:05:46,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:05:46 ImpRootNode [2024-12-06 00:05:46,545 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:05:46,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:05:46,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:05:46,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:05:46,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:05:46" (3/4) ... [2024-12-06 00:05:46,548 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:05:46,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:05:46,550 INFO L158 Benchmark]: Toolchain (without parser) took 810.10ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 74.5MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:05:46,550 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:05:46,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.92ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:05:46,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.35ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:05:46,551 INFO L158 Benchmark]: Boogie Preprocessor took 19.41ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.6MB in the end (delta: 938.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:05:46,552 INFO L158 Benchmark]: RCFGBuilder took 310.30ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 85.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:05:46,552 INFO L158 Benchmark]: CodeCheck took 220.14ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 74.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:05:46,552 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:05:46,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.92ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.35ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.41ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.6MB in the end (delta: 938.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.30ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 85.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 220.14ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 74.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:05:46,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/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 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:05:48,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:05:48,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:05:48,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:05:48,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:05:48,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:05:48,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:05:48,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:05:48,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:05:48,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:05:48,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:05:48,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:05:48,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:05:48,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:05:48,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:05:48,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:05:48,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:05:48,536 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:48,536 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:05:48,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:05:48,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:48,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:05:48,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:05:48,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:05:48,537 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:05:48,537 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:48,537 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:05:48,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a [2024-12-06 00:05:48,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:05:48,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:05:48,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:05:48,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:05:48,760 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:05:48,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2024-12-06 00:05:51,367 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/ed0663b08/2db7995b32cd4132b9d7d0a58175ba0c/FLAG120eb3869 [2024-12-06 00:05:51,566 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:05:51,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2024-12-06 00:05:51,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/ed0663b08/2db7995b32cd4132b9d7d0a58175ba0c/FLAG120eb3869 [2024-12-06 00:05:51,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/data/ed0663b08/2db7995b32cd4132b9d7d0a58175ba0c [2024-12-06 00:05:51,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:05:51,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:05:51,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:51,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:05:51,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:05:51,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:51" (1/1) ... [2024-12-06 00:05:51,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d3b77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:51, skipping insertion in model container [2024-12-06 00:05:51,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:05:51" (1/1) ... [2024-12-06 00:05:51,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:05:52,058 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2024-12-06 00:05:52,078 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2024-12-06 00:05:52,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:52,087 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:05:52,096 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2024-12-06 00:05:52,106 WARN L250 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_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2024-12-06 00:05:52,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:05:52,118 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:05:52,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52 WrapperNode [2024-12-06 00:05:52,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:05:52,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:52,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:05:52,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:05:52,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,146 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-12-06 00:05:52,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:05:52,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:05:52,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:05:52,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:05:52,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:05:52,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:05:52,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:05:52,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:05:52,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:05:52" (1/1) ... [2024-12-06 00:05:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:05:52,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:05:52,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:05:52,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:05:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:05:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:05:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:05:52,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:05:52,285 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:05:52,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:06:13,903 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 00:06:13,903 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:06:13,956 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:06:13,956 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:06:13,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:13 BoogieIcfgContainer [2024-12-06 00:06:13,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:06:13,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:06:13,957 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:06:13,966 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:06:13,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:13" (1/1) ... [2024-12-06 00:06:13,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:06:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:06:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:06:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:06:14,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:14,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:14,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:06:14,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:06:14,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a1a3430-a5df-4be3-8b5b-ffc76183bb06/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process