./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.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_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/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_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/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_bd63338c-bb43-41d5-a31d-74b0c41eeec8/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 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:24:54,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:24:54,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:24:54,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:24:54,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:24:54,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:24:54,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:24:54,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:24:54,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:24:54,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:24:54,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:24:54,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:24:54,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:24:54,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:24:54,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:24:54,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:24:54,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:24:54,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:24:54,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:24:54,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:24:54,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:24:54,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:24:54,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:24:54,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:24:54,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:24:54,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:24:54,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:24:54,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:24:54,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:24:54,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:24:54,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:24:54,215 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:24:54,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:24:54,216 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_bd63338c-bb43-41d5-a31d-74b0c41eeec8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 [2024-11-08 23:24:54,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:24:54,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:24:54,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:24:54,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:24:54,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:24:54,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c Unable to find full path for "g++" [2024-11-08 23:24:56,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:24:57,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:24:57,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2024-11-08 23:24:57,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/data/ed075bc44/a5c7506b498c4e4880ddbabd035a8671/FLAG4a97b805d [2024-11-08 23:24:57,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/data/ed075bc44/a5c7506b498c4e4880ddbabd035a8671 [2024-11-08 23:24:57,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:24:57,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:24:57,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:24:57,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:24:57,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:24:57,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:57,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4571aa4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57, skipping insertion in model container [2024-11-08 23:24:57,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:57,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:24:57,544 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_bd63338c-bb43-41d5-a31d-74b0c41eeec8/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2024-11-08 23:24:57,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:24:57,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:24:57,820 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_bd63338c-bb43-41d5-a31d-74b0c41eeec8/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2024-11-08 23:24:57,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:24:57,956 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:24:57,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57 WrapperNode [2024-11-08 23:24:57,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:24:57,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:24:57,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:24:57,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:24:57,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:57,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,059 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 23:24:58,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:24:58,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:24:58,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:24:58,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:24:58,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:24:58,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:24:58,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:24:58,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:24:58,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:57" (1/1) ... [2024-11-08 23:24:58,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:24:58,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:24:58,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:24:58,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:24:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:24:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:24:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:24:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:24:58,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:24:58,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:24:59,566 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 23:24:59,567 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:02,968 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:02,969 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:25:02,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:02 BoogieIcfgContainer [2024-11-08 23:25:02,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:02,971 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:25:02,971 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:25:02,985 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:25:02,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:02" (1/1) ... [2024-11-08 23:25:02,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:25:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:25:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:25:03,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:03,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:03,373 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 23:25:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:25:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:25:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:25:03,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:18,033 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 23:25:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 23:25:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 23:25:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:25:18,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:18,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,408 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 23:25:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-08 23:25:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-08 23:25:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:25:44,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:44,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:04,693 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 23:26:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2024-11-08 23:26:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2024-11-08 23:26:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:26:04,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:04,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:26:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-08 23:26:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-08 23:26:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:26:20,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:20,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:26:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-08 23:26:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-08 23:26:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:26:37,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:37,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:26:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2024-11-08 23:26:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2024-11-08 23:26:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:26:51,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:51,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-11-08 23:27:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-11-08 23:27:17,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:27:17,061 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 23:27:17,072 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:27:17,601 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 (< 0 (+ 9 ~a1~0)) (not (= ~a10~0 0))) .cse0 .cse1) (and .cse0 (not (= 7 ~a19~0)) .cse1))) [2024-11-08 23:27:17,601 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 23:27:17,601 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:27:17,602 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:27:17,602 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 (< 0 (+ 9 ~a1~0)) (not (= ~a10~0 0))) .cse0 .cse1) (and .cse0 (not (= 7 ~a19~0)) .cse1))) [2024-11-08 23:27:17,602 INFO L77 FloydHoareUtils]: At program point L97-1(lines 30 584) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 0))) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a1~0 11) .cse0 .cse1 .cse2) (let ((.cse3 (not (= 7 ~a19~0)))) (and (or .cse3 .cse2) .cse0 .cse1 (or (not (= ~a10~0 2)) .cse3))) (and (or (< 218 ~a1~0) .cse2) .cse0 .cse1 (<= 23 ~a1~0)))) [2024-11-08 23:27:17,606 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 101) no Hoare annotation was computed. [2024-11-08 23:27:17,606 INFO L77 FloydHoareUtils]: At program point L100-1(lines 30 584) the Hoare annotation is: (and (or (< 218 ~a1~0) (not (= 7 ~a19~0)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 23:27:17,606 INFO L75 FloydHoareUtils]: For program point L101(line 101) no Hoare annotation was computed. [2024-11-08 23:27:17,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:27:17 ImpRootNode [2024-11-08 23:27:17,634 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:27:17,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:27:17,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:27:17,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:27:17,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:02" (3/4) ... [2024-11-08 23:27:17,639 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:27:17,675 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-08 23:27:17,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 23:27:17,684 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:27:17,686 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:27:17,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:27:17,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:27:17,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:27:17,927 INFO L158 Benchmark]: Toolchain (without parser) took 140792.59ms. Allocated memory was 169.9MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 129.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2024-11-08 23:27:17,928 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:17,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.19ms. Allocated memory is still 169.9MB. Free memory was 129.8MB in the beginning and 100.4MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 23:27:17,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.42ms. Allocated memory is still 169.9MB. Free memory was 100.4MB in the beginning and 92.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:27:17,929 INFO L158 Benchmark]: Boogie Preprocessor took 90.95ms. Allocated memory is still 169.9MB. Free memory was 92.1MB in the beginning and 87.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:27:17,929 INFO L158 Benchmark]: RCFGBuilder took 4816.90ms. Allocated memory was 169.9MB in the beginning and 304.1MB in the end (delta: 134.2MB). Free memory was 86.5MB in the beginning and 137.5MB in the end (delta: -51.0MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. [2024-11-08 23:27:17,930 INFO L158 Benchmark]: CodeCheck took 134663.15ms. Allocated memory was 304.1MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 137.5MB in the beginning and 1.7GB in the end (delta: -1.6GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:17,930 INFO L158 Benchmark]: Witness Printer took 291.89ms. Allocated memory is still 1.9GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:27:17,933 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: 134.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 257 mSDsluCounter, 296 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 709 IncrementalHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 120 mSDtfsCounter, 709 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1031 GetRequests, 895 SyntacticMatches, 58 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2883 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 128.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 22/122 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: 101]: 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: 592]: Loop Invariant Derived loop invariant: (((((0 < ((long long) 9 + a1)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (7 != a19)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((218 < a1) || (7 != a19)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.19ms. Allocated memory is still 169.9MB. Free memory was 129.8MB in the beginning and 100.4MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.42ms. Allocated memory is still 169.9MB. Free memory was 100.4MB in the beginning and 92.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.95ms. Allocated memory is still 169.9MB. Free memory was 92.1MB in the beginning and 87.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4816.90ms. Allocated memory was 169.9MB in the beginning and 304.1MB in the end (delta: 134.2MB). Free memory was 86.5MB in the beginning and 137.5MB in the end (delta: -51.0MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. * CodeCheck took 134663.15ms. Allocated memory was 304.1MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 137.5MB in the beginning and 1.7GB in the end (delta: -1.6GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 291.89ms. Allocated memory is still 1.9GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:27:17,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd63338c-bb43-41d5-a31d-74b0c41eeec8/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