./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk --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 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:24:19,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:24:19,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:24:19,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:24:19,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:24:19,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:24:19,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:24:19,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:24:19,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:24:19,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:24:19,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:24:19,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:24:19,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:24:19,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:24:19,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:24:19,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:24:19,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:24:19,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:24:19,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:24:19,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:24:19,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:24:19,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:24:19,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:24:19,426 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:24:19,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:24:19,427 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:24:19,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:24:19,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:19,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:24:19,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:24:19,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:24:19,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:24:19,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:24:19,429 INFO L153 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_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde [2024-11-08 22:24:19,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:24:19,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:24:19,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:24:19,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:24:19,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:24:19,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/gcd_1.c Unable to find full path for "g++" [2024-11-08 22:24:21,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:24:21,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:24:21,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/sv-benchmarks/c/bitvector/gcd_1.c [2024-11-08 22:24:21,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data/a65f9b28f/01106b082b5a447c97e68bea2460442c/FLAG1acb4d5a8 [2024-11-08 22:24:22,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data/a65f9b28f/01106b082b5a447c97e68bea2460442c [2024-11-08 22:24:22,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:24:22,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:24:22,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:22,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:24:22,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:24:22,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d618990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22, skipping insertion in model container [2024-11-08 22:24:22,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:22,280 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_c495720e-5ac9-447c-b257-17880e3d4371/sv-benchmarks/c/bitvector/gcd_1.c[664,677] [2024-11-08 22:24:22,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:22,319 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:22,329 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_c495720e-5ac9-447c-b257-17880e3d4371/sv-benchmarks/c/bitvector/gcd_1.c[664,677] [2024-11-08 22:24:22,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:22,352 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:22,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22 WrapperNode [2024-11-08 22:24:22,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:22,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:22,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:22,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:22,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,383 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-08 22:24:22,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:22,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:22,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:22,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:22,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:22,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:22,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:22,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:22,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:22,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:22,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:22,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:24:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:22,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:22,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:22,804 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:22,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:22,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:22,892 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:24:22,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:22 BoogieIcfgContainer [2024-11-08 22:24:22,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:22,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:22,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:22,906 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:22,907 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:22" (1/1) ... [2024-11-08 22:24:22,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 22:24:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 22:24:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:24:23,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:23,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 22:24:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 22:24:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:24:23,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:24:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:24:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:24:23,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-08 22:24:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-08 22:24:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:24:24,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:24,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:24:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:24:25,210 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-08 22:24:25,214 INFO L158 Benchmark]: Toolchain (without parser) took 3196.43ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 56.9MB in the end (delta: 55.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:25,215 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:24:25,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.75ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 99.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:24:25,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.00ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 97.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:24:25,217 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 146.8MB. Free memory was 97.8MB in the beginning and 96.9MB in the end (delta: 932.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:24:25,218 INFO L158 Benchmark]: RCFGBuilder took 486.02ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 82.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:24:25,219 INFO L158 Benchmark]: CodeCheck took 2318.57ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 56.9MB in the end (delta: 25.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-08 22:24:25,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.75ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 99.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.00ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 97.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 146.8MB. Free memory was 97.8MB in the beginning and 96.9MB in the end (delta: 932.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.02ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 82.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 2318.57ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 56.9MB in the end (delta: 25.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:24:25,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk --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 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:24:27,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:24:27,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:24:27,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:24:27,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:24:27,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:24:27,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:24:27,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:24:27,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:24:27,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:24:27,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:24:27,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:24:27,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:24:27,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:24:27,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:24:27,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:24:27,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:24:27,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:24:27,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:24:27,915 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:24:27,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:24:27,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:24:27,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:24:27,920 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:24:27,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:24:27,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:24:27,920 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:27,921 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:24:27,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:24:27,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:27,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:24:27,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:24:27,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:24:27,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:24:27,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:27,925 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:24:27,925 INFO L153 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_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde [2024-11-08 22:24:28,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:24:28,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:24:28,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:24:28,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:24:28,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:24:28,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/gcd_1.c Unable to find full path for "g++" [2024-11-08 22:24:30,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:24:30,690 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:24:30,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/sv-benchmarks/c/bitvector/gcd_1.c [2024-11-08 22:24:30,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data/645001bbc/c3aeed81e80c4b98b8b3750cfc4be23e/FLAG68e5bebeb [2024-11-08 22:24:31,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/data/645001bbc/c3aeed81e80c4b98b8b3750cfc4be23e [2024-11-08 22:24:31,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:24:31,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:24:31,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:31,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:24:31,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:24:31,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b24db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31, skipping insertion in model container [2024-11-08 22:24:31,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:31,266 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_c495720e-5ac9-447c-b257-17880e3d4371/sv-benchmarks/c/bitvector/gcd_1.c[664,677] [2024-11-08 22:24:31,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:31,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:31,314 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_c495720e-5ac9-447c-b257-17880e3d4371/sv-benchmarks/c/bitvector/gcd_1.c[664,677] [2024-11-08 22:24:31,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:31,361 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:31,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31 WrapperNode [2024-11-08 22:24:31,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:31,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:31,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:31,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:31,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,409 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-08 22:24:31,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:31,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:31,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:31,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:31,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:31,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:31,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:31,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:31,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:31,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:31,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:31,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:31,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:24:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:31,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:31,624 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:31,930 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:31,931 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:31,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:31,988 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:24:31,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:31 BoogieIcfgContainer [2024-11-08 22:24:31,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:31,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:31,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:32,001 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:32,002 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:31" (1/1) ... [2024-11-08 22:24:32,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 22:24:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 22:24:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:24:32,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:32,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:32,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:32,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:32,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:24:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:32,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:32,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:24:32,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:32,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:24:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 22:24:32,673 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 22:24:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:24:32,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:32,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:32,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:32,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:32,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:24:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:32,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:32,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:24:32,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:32,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:24:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:24:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:24:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:24:32,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:32,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:32,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:32,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:32,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:24:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:33,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:33,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:24:33,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:33,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:24:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-08 22:24:34,478 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-08 22:24:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:24:34,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:34,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:34,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:34,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:24:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:35,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:38,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:24:38,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:50,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:24:56,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:25:01,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:25:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:25:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:25:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:25:07,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:07,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:07,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:07,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:07,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:25:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:08,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:11,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:25:11,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:21,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:21,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:33,259 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 26 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:25:53,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.94s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:25:56,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:25:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-08 22:25:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-08 22:25:56,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:25:56,759 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 22:25:56,768 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:26:09,688 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:26:09,689 INFO L77 FloydHoareUtils]: At program point L27(lines 27 31) the Hoare annotation is: (let ((.cse0 ((_ sign_extend 24) |ULTIMATE.start_main_~y~0#1|))) (and (bvsgt .cse0 (_ bv0 32)) (or (let ((.cse1 ((_ sign_extend 24) |ULTIMATE.start_gcd_test_~a#1|))) (and (not (bvslt .cse1 (_ bv0 32))) (= (bvsrem .cse1 .cse0) (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_20| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_main_~x~0#1_20|))) (and (= (bvsrem .cse2 .cse0) (_ bv0 32)) (= ((_ extract 7 0) (bvneg .cse2)) |ULTIMATE.start_gcd_test_~a#1|) (bvslt .cse2 (_ bv0 32)))))) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_gcd_test_~b#1|))) [2024-11-08 22:26:09,690 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 31) the Hoare annotation is: (let ((.cse2 ((_ sign_extend 24) |ULTIMATE.start_main_~y~0#1|))) (let ((.cse0 (bvsgt .cse2 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_gcd_test_~a#1|) (exists ((|v_ULTIMATE.start_main_~x~0#1_20| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_main_~x~0#1_20|))) (and (= ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse1))) .cse2)) |ULTIMATE.start_gcd_test_~b#1|) (= (bvsrem .cse1 .cse2) (_ bv0 32)) (bvslt .cse1 (_ bv0 32)))))) (and .cse0 (or (let ((.cse3 ((_ sign_extend 24) |ULTIMATE.start_gcd_test_~a#1|))) (and (not (bvslt .cse3 (_ bv0 32))) (= (bvsrem .cse3 .cse2) (_ bv0 32)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_20| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_main_~x~0#1_20|))) (and (= (bvsrem .cse4 .cse2) (_ bv0 32)) (= ((_ extract 7 0) (bvneg .cse4)) |ULTIMATE.start_gcd_test_~a#1|) (bvslt .cse4 (_ bv0 32)))))) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_gcd_test_~b#1|))))) [2024-11-08 22:26:09,690 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 31) the Hoare annotation is: (and (bvsgt ((_ sign_extend 24) |ULTIMATE.start_main_~y~0#1|) (_ bv0 32)) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_gcd_test_~a#1|)) [2024-11-08 22:26:09,691 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-08 22:26:09,691 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2024-11-08 22:26:09,691 INFO L77 FloydHoareUtils]: At program point L42(lines 42 46) the Hoare annotation is: true [2024-11-08 22:26:09,691 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:26:09,692 INFO L77 FloydHoareUtils]: At program point L42-2(lines 42 46) the Hoare annotation is: true [2024-11-08 22:26:09,692 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-08 22:26:09,692 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-08 22:26:09,702 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,703 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,706 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 22:26:09,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 22:26:09,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2024-11-08 22:26:09,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:26:09 ImpRootNode [2024-11-08 22:26:09,711 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:26:09,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:26:09,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:26:09,712 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:26:09,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:31" (3/4) ... [2024-11-08 22:26:09,715 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:26:09,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-08 22:26:09,726 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 22:26:09,726 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:26:09,726 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:26:09,727 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:26:09,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:26:09,838 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:26:09,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:26:09,841 INFO L158 Benchmark]: Toolchain (without parser) took 98794.91ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 45.7MB in the beginning and 45.1MB in the end (delta: 674.3kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-08 22:26:09,842 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 101.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:26:09,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.69ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 45.6MB in the beginning and 71.8MB in the end (delta: -26.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-08 22:26:09,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.65ms. Allocated memory is still 94.4MB. Free memory was 71.8MB in the beginning and 70.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:26:09,843 INFO L158 Benchmark]: Boogie Preprocessor took 39.49ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 69.2MB in the end (delta: 856.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:26:09,843 INFO L158 Benchmark]: RCFGBuilder took 536.82ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 54.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:26:09,844 INFO L158 Benchmark]: CodeCheck took 97721.35ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 50.0MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:26:09,844 INFO L158 Benchmark]: Witness Printer took 126.53ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 45.1MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:26:09,849 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 28.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 27.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 25 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 299 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 51.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 6.0s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 36 ConstructedInterpolants, 6 QuantifiedInterpolants, 295 SizeOfPredicates, 1 NumberOfNonLiveVariables, 166 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 6/9 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 - PositiveResult [Line: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 101.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.69ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 45.6MB in the beginning and 71.8MB in the end (delta: -26.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.65ms. Allocated memory is still 94.4MB. Free memory was 71.8MB in the beginning and 70.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.49ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 69.2MB in the end (delta: 856.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.82ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 54.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 97721.35ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 50.0MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 126.53ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 45.1MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 RESULT: Ultimate proved your program to be correct! [2024-11-08 22:26:09,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c495720e-5ac9-447c-b257-17880e3d4371/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE