./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:57:24,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:57:24,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:57:24,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:57:24,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:57:24,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:57:24,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:57:24,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:57:24,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:57:24,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:57:24,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:57:24,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:57:24,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:57:24,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:24,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:57:24,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:57:24,969 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:57:24,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:57:24,969 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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 -> 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf [2024-12-06 05:57:25,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:57:25,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:57:25,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:57:25,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:57:25,209 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:57:25,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i [2024-12-06 05:57:27,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/2029d9f36/0db61d4a85db4136aec85e6acfbfe43c/FLAGcf9291c26 [2024-12-06 05:57:28,008 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:57:28,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i [2024-12-06 05:57:28,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/2029d9f36/0db61d4a85db4136aec85e6acfbfe43c/FLAGcf9291c26 [2024-12-06 05:57:28,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/2029d9f36/0db61d4a85db4136aec85e6acfbfe43c [2024-12-06 05:57:28,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:57:28,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:57:28,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:28,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:57:28,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:57:28,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6bc982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28, skipping insertion in model container [2024-12-06 05:57:28,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:57:28,473 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-12-06 05:57:28,492 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-12-06 05:57:28,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:28,502 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:57:28,513 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-12-06 05:57:28,522 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-12-06 05:57:28,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:28,536 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:57:28,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28 WrapperNode [2024-12-06 05:57:28,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:28,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:28,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:57:28,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:57:28,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,560 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 05:57:28,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:28,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:57:28,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:57:28,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:57:28,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:57:28,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:57:28,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:57:28,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:57:28,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:28,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:57:28,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:57:28,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:57:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:57:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:57:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:57:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:57:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:57:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:57:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:57:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:57:28,693 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:57:28,694 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:57:28,853 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 05:57:28,853 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:57:28,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:57:28,906 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:57:28,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:28 BoogieIcfgContainer [2024-12-06 05:57:28,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:57:28,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:57:28,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:57:28,916 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:57:28,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:28" (1/1) ... [2024-12-06 05:57:28,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:57:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:57:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:57:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:57:28,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:28,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:57:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 05:57:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 05:57:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:57:29,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:29,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:57:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 05:57:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 05:57:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:57:29,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:29,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:31,603 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:57:31,607 INFO L158 Benchmark]: Toolchain (without parser) took 3235.70ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 87.0MB in the end (delta: 29.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-12-06 05:57:31,607 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:57:31,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.76ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 104.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:57:31,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.85ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:57:31,608 INFO L158 Benchmark]: Boogie Preprocessor took 17.27ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:57:31,609 INFO L158 Benchmark]: RCFGBuilder took 328.15ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 83.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:57:31,609 INFO L158 Benchmark]: CodeCheck took 2698.57ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 87.0MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:57:31,611 INFO L338 ainManager$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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.76ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 104.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.85ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.27ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.15ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 83.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2698.57ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 87.0MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:57:31,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:57:33,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:57:33,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:57:33,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:57:33,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:57:33,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:57:33,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:57:33,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:57:33,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:57:33,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:57:33,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:57:33,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:57:33,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:57:33,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:57:33,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:33,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:57:33,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:57:33,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:57:33,629 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:57:33,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:33,629 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:57:33,629 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/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 -> 353cc018d334cc7a981957992a6877492a13119a8e3524540eab203ce1072cbf [2024-12-06 05:57:33,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:57:33,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:57:33,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:57:33,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:57:33,871 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:57:33,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_1.i [2024-12-06 05:57:36,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/ce5003d0d/4e914ddbb5b747a9a05b6b2ab793b113/FLAG616fba37d [2024-12-06 05:57:36,797 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:57:36,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i [2024-12-06 05:57:36,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/ce5003d0d/4e914ddbb5b747a9a05b6b2ab793b113/FLAG616fba37d [2024-12-06 05:57:37,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/data/ce5003d0d/4e914ddbb5b747a9a05b6b2ab793b113 [2024-12-06 05:57:37,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:57:37,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:57:37,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:37,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:57:37,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:57:37,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b089d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37, skipping insertion in model container [2024-12-06 05:57:37,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:57:37,289 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-12-06 05:57:37,314 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-12-06 05:57:37,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:37,327 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:57:37,338 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[1226,1239] [2024-12-06 05:57:37,349 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_711a42f9-6b5c-4511-8ff6-cbd86106ca20/sv-benchmarks/c/combinations/gcd_1+newton_3_1.i[2828,2841] [2024-12-06 05:57:37,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:37,361 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:57:37,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37 WrapperNode [2024-12-06 05:57:37,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:37,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:37,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:57:37,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:57:37,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,392 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 05:57:37,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:37,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:57:37,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:57:37,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:57:37,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,408 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:57:37,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:57:37,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:57:37,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:57:37,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:37" (1/1) ... [2024-12-06 05:57:37,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:37,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:57:37,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:57:37,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:57:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:57:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:57:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:57:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:57:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:57:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:57:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:57:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:57:37,518 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:57:37,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:58:03,725 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 05:58:03,726 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:58:03,783 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:58:03,783 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:58:03,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:03 BoogieIcfgContainer [2024-12-06 05:58:03,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:58:03,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:58:03,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:58:03,791 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:58:03,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:03" (1/1) ... [2024-12-06 05:58:03,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:58:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:58:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:58:03,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:58:03,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:03,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:03,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:03,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:03,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:58:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:03,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:03,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:58:03,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:04,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 05:58:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 05:58:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 05:58:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:58:04,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:04,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:04,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:04,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:04,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:58:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:04,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:04,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:58:04,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:04,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:58:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 05:58:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 05:58:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:58:06,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:06,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:06,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:06,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:58:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:07,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:09,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:58:09,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:19,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:58:26,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:58:30,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:58:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:58:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:58:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:58:33,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:33,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:33,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:33,845 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:33,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:58:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:34,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:39,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:58:39,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:50,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:58:56,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:05,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:09,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:11,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:13,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:15,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:17,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 05:59:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 05:59:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 05:59:17,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:17,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:17,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:17,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:17,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a42f9-6b5c-4511-8ff6-cbd86106ca20/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process