./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c --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_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/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_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/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_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/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 d5ae1d248ac328ae194d38c847eaaf19b85e7124a7cd6c7e1aa145a759bc08e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:15:41,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:15:41,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:15:41,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:15:41,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:15:41,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:15:41,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:15:41,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:15:41,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:15:41,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:15:41,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:15:41,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:15:41,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:41,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:15:41,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:15:41,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:15:41,136 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:15:41,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:15:41,136 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_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/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 -> d5ae1d248ac328ae194d38c847eaaf19b85e7124a7cd6c7e1aa145a759bc08e1 [2024-12-06 04:15:41,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:15:41,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:15:41,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:15:41,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:15:41,364 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:15:41,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2024-12-06 04:15:44,060 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/data/0b150e5d4/eff3c4bb2a594d97897494c3d6f7a24e/FLAG60543e9ab [2024-12-06 04:15:44,259 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:15:44,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2024-12-06 04:15:44,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/data/0b150e5d4/eff3c4bb2a594d97897494c3d6f7a24e/FLAG60543e9ab [2024-12-06 04:15:44,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/data/0b150e5d4/eff3c4bb2a594d97897494c3d6f7a24e [2024-12-06 04:15:44,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:15:44,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:15:44,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:44,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:15:44,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:15:44,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:44,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a547f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44, skipping insertion in model container [2024-12-06 04:15:44,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:44,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:15:44,766 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_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/sv-benchmarks/c/eca-rers2012/Problem10_label21.c[3267,3280] [2024-12-06 04:15:44,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:44,878 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:15:44,894 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_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/sv-benchmarks/c/eca-rers2012/Problem10_label21.c[3267,3280] [2024-12-06 04:15:44,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:44,970 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:15:44,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44 WrapperNode [2024-12-06 04:15:44,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:44,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:44,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:15:44,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:15:44,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:44,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,037 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 04:15:45,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:45,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:15:45,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:15:45,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:15:45,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:15:45,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:15:45,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:15:45,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:15:45,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:44" (1/1) ... [2024-12-06 04:15:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:15:45,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:15:45,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:15:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:15:45,224 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:15:45,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:15:46,106 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 04:15:46,106 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:15:48,035 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:15:48,036 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:15:48,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:48 BoogieIcfgContainer [2024-12-06 04:15:48,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:15:48,036 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:15:48,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:15:48,043 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:15:48,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:48" (1/1) ... [2024-12-06 04:15:48,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:15:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 04:15:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 04:15:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:15:48,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:48,242 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 04:15:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:48,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 04:15:48,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 04:15:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:15:48,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:48,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:15:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 04:15:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 04:15:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:15:56,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:15:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-12-06 04:16:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-12-06 04:16:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:16:06,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:06,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-06 04:16:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 04:16:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:16:27,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:27,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 04:16:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2024-12-06 04:16:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-12-06 04:16:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:16:43,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:43,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:17:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2024-12-06 04:17:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 04:17:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:17:30,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:30,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 04:17:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2024-12-06 04:17:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2024-12-06 04:17:42,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:17:42,163 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 04:17:42,169 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:17:42,555 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 7) (= ~a19~0 8)) .cse0 .cse1) (let ((.cse2 (not (= ~a10~0 0)))) (and (or (< 0 (+ ~a1~0 381078)) .cse2) .cse0 (or (< 218 ~a1~0) .cse2 (< ~a1~0 37)) .cse1)) (and .cse0 .cse1 (<= 9 ~a19~0)))) [2024-12-06 04:17:42,555 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 04:17:42,555 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:17:42,556 INFO L77 FloydHoareUtils]: At program point L91-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (< 218 ~a1~0) (< ~a1~0 39) (not (= 7 ~a19~0)) (not (= ~a10~0 0))) (= ~a12~0 0)) [2024-12-06 04:17:42,556 INFO L77 FloydHoareUtils]: At program point L94-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (< 218 ~a1~0) (< ~a1~0 39) (not (= 7 ~a19~0)) (not (= ~a10~0 0))) (= ~a12~0 0)) [2024-12-06 04:17:42,556 INFO L75 FloydHoareUtils]: For program point L95(line 95) no Hoare annotation was computed. [2024-12-06 04:17:42,556 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:17:42,556 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 7) (= ~a19~0 8)) .cse0 .cse1) (let ((.cse2 (not (= ~a10~0 0)))) (and (or (< 0 (+ ~a1~0 381078)) .cse2) .cse0 (or (< 218 ~a1~0) .cse2 (< ~a1~0 37)) .cse1)) (and .cse0 .cse1 (<= 9 ~a19~0)))) [2024-12-06 04:17:42,556 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2024-12-06 04:17:42,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:17:42 ImpRootNode [2024-12-06 04:17:42,565 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:17:42,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:17:42,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:17:42,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:17:42,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:48" (3/4) ... [2024-12-06 04:17:42,568 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:17:42,578 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 197 nodes and edges [2024-12-06 04:17:42,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 04:17:42,580 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:17:42,581 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:17:42,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:17:42,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:17:42,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:17:42,690 INFO L158 Benchmark]: Toolchain (without parser) took 118084.78ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 90.0MB in the beginning and 644.7MB in the end (delta: -554.7MB). Peak memory consumption was 710.2MB. Max. memory is 16.1GB. [2024-12-06 04:17:42,691 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:42,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.06ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 62.8MB in the end (delta: 27.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:17:42,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.43ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 55.1MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:42,692 INFO L158 Benchmark]: Boogie Preprocessor took 63.72ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 50.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:17:42,692 INFO L158 Benchmark]: RCFGBuilder took 2933.19ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 50.6MB in the beginning and 185.7MB in the end (delta: -135.1MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-12-06 04:17:42,692 INFO L158 Benchmark]: CodeCheck took 114528.95ms. Allocated memory was 276.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 185.7MB in the beginning and 657.1MB in the end (delta: -471.3MB). Peak memory consumption was 639.5MB. Max. memory is 16.1GB. [2024-12-06 04:17:42,693 INFO L158 Benchmark]: Witness Printer took 123.47ms. Allocated memory is still 1.4GB. Free memory was 657.1MB in the beginning and 644.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:17:42,695 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 114.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 290 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 626 IncrementalHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 109 mSDtfsCounter, 626 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 744 SyntacticMatches, 40 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4346 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 108.9s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 8/86 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 95]: 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 - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && ((((218 < a1) || (a1 < 39)) || (7 != a19)) || (a10 != 0))) && (a12 == 0)) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((a19 < 7) || (a19 == 8)) && (14 == a4)) && (a12 == 0)) || (((((0 < ((long long) a1 + 381078)) || (a10 != 0)) && (14 == a4)) && (((218 < a1) || (a10 != 0)) || (a1 < 37))) && (a12 == 0))) || (((14 == a4) && (a12 == 0)) && (9 <= a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.06ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 62.8MB in the end (delta: 27.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.43ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 55.1MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.72ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 50.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2933.19ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 50.6MB in the beginning and 185.7MB in the end (delta: -135.1MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. * CodeCheck took 114528.95ms. Allocated memory was 276.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 185.7MB in the beginning and 657.1MB in the end (delta: -471.3MB). Peak memory consumption was 639.5MB. Max. memory is 16.1GB. * Witness Printer took 123.47ms. Allocated memory is still 1.4GB. Free memory was 657.1MB in the beginning and 644.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:17:42,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e7f302-d30e-4f61-b11c-eb30c2adeaa6/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 Writing output log to file Ultimate.log Result: TRUE