./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d284e8efd4e45ee6ae258c3b376fc8f91ce52940016142658227b0ca393b3ff2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:44:03,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:44:03,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:44:03,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:44:03,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:44:03,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:44:03,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:44:03,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:44:03,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:44:03,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:44:03,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:44:03,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:44:03,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:44:03,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:44:03,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:44:03,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:44:03,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:44:03,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:44:03,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:44:03,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:44:03,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:44:03,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:44:03,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:44:03,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:44:03,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:44:03,224 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:44:03,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:44:03,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:03,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:44:03,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:44:03,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:44:03,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:44:03,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:44:03,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d284e8efd4e45ee6ae258c3b376fc8f91ce52940016142658227b0ca393b3ff2 [2024-11-08 22:44:03,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:44:03,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:44:03,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:44:03,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:44:03,584 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:44:03,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label45.c Unable to find full path for "g++" [2024-11-08 22:44:05,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:44:06,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:44:06,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/sv-benchmarks/c/eca-rers2012/Problem14_label45.c [2024-11-08 22:44:06,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/data/42ec11b8d/3a09e4aef60844b5b63ea67dc5f1abaf/FLAG046a54b24 [2024-11-08 22:44:06,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/data/42ec11b8d/3a09e4aef60844b5b63ea67dc5f1abaf [2024-11-08 22:44:06,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:44:06,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:44:06,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:06,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:44:06,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:44:06,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:06" (1/1) ... [2024-11-08 22:44:06,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649b8873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:06, skipping insertion in model container [2024-11-08 22:44:06,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:44:06" (1/1) ... [2024-11-08 22:44:06,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:44:06,603 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_fe1bd904-b256-4e66-8e34-e7d83ac9df57/sv-benchmarks/c/eca-rers2012/Problem14_label45.c[3828,3841] [2024-11-08 22:44:06,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:06,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:44:06,923 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_fe1bd904-b256-4e66-8e34-e7d83ac9df57/sv-benchmarks/c/eca-rers2012/Problem14_label45.c[3828,3841] [2024-11-08 22:44:07,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:44:07,109 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:44:07,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07 WrapperNode [2024-11-08 22:44:07,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:44:07,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:07,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:44:07,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:44:07,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,229 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 22:44:07,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:44:07,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:44:07,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:44:07,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:44:07,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:44:07,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:44:07,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:44:07,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:44:07,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:44:07" (1/1) ... [2024-11-08 22:44:07,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:44:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:44:07,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:44:07,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:44:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:44:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:44:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:44:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:44:07,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:44:07,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:44:09,272 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 22:44:09,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:44:14,933 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:44:14,934 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:44:14,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:14 BoogieIcfgContainer [2024-11-08 22:44:14,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:44:14,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:44:14,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:44:14,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:44:14,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:14" (1/1) ... [2024-11-08 22:44:14,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:44:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:44:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:44:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:44:15,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:15,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:44:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:44:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:44:15,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:15,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:44:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:44:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:44:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:44:44,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:44,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-08 22:45:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-08 22:45:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:45:27,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2024-11-08 22:46:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-11-08 22:46:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:46:36,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:47:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2024-11-08 22:47:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2024-11-08 22:47:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:47:46,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2024-11-08 22:50:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2024-11-08 22:50:09,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:50:09,791 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 22:50:09,801 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:50:11,093 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (let ((.cse6 (= ~a24~0 1))) (let ((.cse5 (not .cse6)) (.cse0 (not (= 7 ~a21~0))) (.cse4 (= 7 ~a15~0))) (let ((.cse1 (= ~a15~0 8)) (.cse2 (or .cse5 .cse0 (not .cse4))) (.cse3 (+ 49 ~a12~0))) (or (and .cse0 .cse1) (and (or (< (+ ~a12~0 42) 0) (< 11 ~a12~0)) (not .cse2)) (= .cse3 0) (and (not (or .cse4 .cse1)) (or .cse5 (not (= ~a21~0 6)))) (and (<= .cse3 0) (not (and .cse6 .cse1))) (and .cse2 (<= ~a15~0 7)) (and (< 7 ~a15~0) (or (< 6 ~a21~0) (< ~a12~0 600000)) (< 0 .cse3)))))) [2024-11-08 22:50:11,093 INFO L77 FloydHoareUtils]: At program point L118-1(lines 30 882) the Hoare annotation is: (let ((.cse6 (= ~a24~0 1))) (let ((.cse5 (not .cse6)) (.cse0 (not (= 7 ~a21~0))) (.cse4 (= 7 ~a15~0))) (let ((.cse1 (= ~a15~0 8)) (.cse2 (or .cse5 .cse0 (not .cse4))) (.cse3 (+ 49 ~a12~0))) (or (and .cse0 .cse1) (and (or (< (+ ~a12~0 42) 0) (< 11 ~a12~0)) (not .cse2)) (= .cse3 0) (and (not (or .cse4 .cse1)) (or .cse5 (not (= ~a21~0 6)))) (and (<= .cse3 0) (not (and .cse6 .cse1))) (and .cse2 (<= ~a15~0 7)) (and (< 7 ~a15~0) (or (< 6 ~a21~0) (< ~a12~0 600000)) (< 0 .cse3)))))) [2024-11-08 22:50:11,094 INFO L77 FloydHoareUtils]: At program point L121-1(lines 30 882) the Hoare annotation is: (let ((.cse6 (= ~a24~0 1))) (let ((.cse5 (not .cse6)) (.cse0 (not (= 7 ~a21~0))) (.cse4 (= 7 ~a15~0))) (let ((.cse1 (= ~a15~0 8)) (.cse2 (or .cse5 .cse0 (not .cse4))) (.cse3 (+ 49 ~a12~0))) (or (and .cse0 .cse1) (and (or (< (+ ~a12~0 42) 0) (< 11 ~a12~0)) (not .cse2)) (= .cse3 0) (and (not (or .cse4 .cse1)) (or .cse5 (not (= ~a21~0 6)))) (and (<= .cse3 0) (not (and .cse6 .cse1))) (and .cse2 (<= ~a15~0 7)) (and (< 7 ~a15~0) (or (< 6 ~a21~0) (< ~a12~0 600000)) (< 0 .cse3)))))) [2024-11-08 22:50:11,094 INFO L75 FloydHoareUtils]: For program point L122(line 122) no Hoare annotation was computed. [2024-11-08 22:50:11,094 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:50:11,094 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2024-11-08 22:50:11,095 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-08 22:50:11,095 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:50:11,095 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse6 (= ~a24~0 1))) (let ((.cse5 (not .cse6)) (.cse0 (not (= 7 ~a21~0))) (.cse4 (= 7 ~a15~0))) (let ((.cse1 (= ~a15~0 8)) (.cse2 (or .cse5 .cse0 (not .cse4))) (.cse3 (+ 49 ~a12~0))) (or (and .cse0 .cse1) (and (or (< (+ ~a12~0 42) 0) (< 11 ~a12~0)) (not .cse2)) (= .cse3 0) (and (not (or .cse4 .cse1)) (or .cse5 (not (= ~a21~0 6)))) (and (<= .cse3 0) (not (and .cse6 .cse1))) (and .cse2 (<= ~a15~0 7)) (and (< 7 ~a15~0) (or (< 6 ~a21~0) (< ~a12~0 600000)) (< 0 .cse3)))))) [2024-11-08 22:50:11,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:50:11 ImpRootNode [2024-11-08 22:50:11,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:50:11,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:50:11,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:50:11,122 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:50:11,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:44:14" (3/4) ... [2024-11-08 22:50:11,126 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:50:11,168 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 235 nodes and edges [2024-11-08 22:50:11,170 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 22:50:11,173 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:50:11,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:50:11,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:50:11,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:50:11,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:50:11,442 INFO L158 Benchmark]: Toolchain (without parser) took 365193.38ms. Allocated memory was 163.6MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 129.3MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 714.1MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,443 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 144.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:50:11,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.84ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 92.5MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.83ms. Allocated memory is still 163.6MB. Free memory was 92.5MB in the beginning and 82.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,445 INFO L158 Benchmark]: Boogie Preprocessor took 90.84ms. Allocated memory is still 163.6MB. Free memory was 82.7MB in the beginning and 76.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,446 INFO L158 Benchmark]: RCFGBuilder took 7613.26ms. Allocated memory was 163.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 76.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 253.8MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,446 INFO L158 Benchmark]: CodeCheck took 356184.41ms. Allocated memory was 1.3GB in the beginning and 3.4GB in the end (delta: 2.1GB). Free memory was 1.2GB in the beginning and 2.7GB in the end (delta: -1.5GB). Peak memory consumption was 563.2MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,447 INFO L158 Benchmark]: Witness Printer took 320.48ms. Allocated memory is still 3.4GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:50:11,450 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: 354.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 668 IncrementalHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 96 mSDtfsCounter, 668 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 801 GetRequests, 666 SyntacticMatches, 25 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6341 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 345.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 1045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/91 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 122]: 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: ((((((((7 != a21) && (a15 == 8)) || (((((long long) a12 + 42) < 0) || (11 < a12)) && !(((a24 != 1) || (7 != a21)) || (7 != a15)))) || (((long long) 49 + a12) == 0)) || (!((7 == a15) || (a15 == 8)) && ((a24 != 1) || (a21 != 6)))) || ((((long long) 49 + a12) <= 0) && !((a24 == 1) && (a15 == 8)))) || ((((a24 != 1) || (7 != a21)) || (7 != a15)) && (a15 <= 7))) || (((7 < a15) && ((6 < a21) || (a12 < 600000))) && (0 < ((long long) 49 + a12)))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((7 != a21) && (a15 == 8)) || (((((long long) a12 + 42) < 0) || (11 < a12)) && !(((a24 != 1) || (7 != a21)) || (7 != a15)))) || (((long long) 49 + a12) == 0)) || (!((7 == a15) || (a15 == 8)) && ((a24 != 1) || (a21 != 6)))) || ((((long long) 49 + a12) <= 0) && !((a24 == 1) && (a15 == 8)))) || ((((a24 != 1) || (7 != a21)) || (7 != a15)) && (a15 <= 7))) || (((7 < a15) && ((6 < a21) || (a12 < 600000))) && (0 < ((long long) 49 + a12)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 144.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.84ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 92.5MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.83ms. Allocated memory is still 163.6MB. Free memory was 92.5MB in the beginning and 82.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.84ms. Allocated memory is still 163.6MB. Free memory was 82.7MB in the beginning and 76.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7613.26ms. Allocated memory was 163.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 76.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 253.8MB. Max. memory is 16.1GB. * CodeCheck took 356184.41ms. Allocated memory was 1.3GB in the beginning and 3.4GB in the end (delta: 2.1GB). Free memory was 1.2GB in the beginning and 2.7GB in the end (delta: -1.5GB). Peak memory consumption was 563.2MB. Max. memory is 16.1GB. * Witness Printer took 320.48ms. Allocated memory is still 3.4GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:50:11,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe1bd904-b256-4e66-8e34-e7d83ac9df57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE