./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.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_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/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_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/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_f8781f2e-7013-402c-9084-826a5671d5f2/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 1133d4e628bca1624f90bda56a6327f24f5efa9815c748be39cd9f3813ed8b8e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:29:10,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:29:10,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:29:10,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:29:10,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:29:10,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:29:10,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:29:10,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:29:10,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:29:10,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:29:10,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:29:10,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:29:10,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:29:10,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:29:10,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:29:10,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:29:10,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:29:10,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:29:10,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:29:10,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:29:10,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:29:10,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:29:10,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:29:10,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:29:10,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:29:10,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:29:10,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:29:10,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:10,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:29:10,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:29:10,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:29:10,505 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:29:10,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:29:10,508 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_f8781f2e-7013-402c-9084-826a5671d5f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1133d4e628bca1624f90bda56a6327f24f5efa9815c748be39cd9f3813ed8b8e [2024-11-08 22:29:10,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:29:10,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:29:10,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:29:10,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:29:10,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:29:10,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c Unable to find full path for "g++" [2024-11-08 22:29:12,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:29:13,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:29:13,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2024-11-08 22:29:13,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/data/207ca4381/52252fad192e4cfe9f19f3f49fb1f13b/FLAGfb607e8b1 [2024-11-08 22:29:13,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/data/207ca4381/52252fad192e4cfe9f19f3f49fb1f13b [2024-11-08 22:29:13,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:29:13,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:29:13,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:13,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:29:13,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:29:13,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:13" (1/1) ... [2024-11-08 22:29:13,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f495de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:13, skipping insertion in model container [2024-11-08 22:29:13,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:13" (1/1) ... [2024-11-08 22:29:13,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:29:13,540 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_f8781f2e-7013-402c-9084-826a5671d5f2/sv-benchmarks/c/eca-rers2012/Problem14_label00.c[5469,5482] [2024-11-08 22:29:13,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:13,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:29:13,837 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_f8781f2e-7013-402c-9084-826a5671d5f2/sv-benchmarks/c/eca-rers2012/Problem14_label00.c[5469,5482] [2024-11-08 22:29:13,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:14,003 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:29:14,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14 WrapperNode [2024-11-08 22:29:14,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:14,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:14,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:29:14,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:29:14,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,120 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 22:29:14,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:14,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:29:14,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:29:14,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:29:14,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:29:14,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:29:14,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:29:14,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:29:14,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:14" (1/1) ... [2024-11-08 22:29:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:29:14,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:29:14,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:29:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:29:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:29:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:29:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:29:14,449 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:29:14,451 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:15,891 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:15,892 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:21,249 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:21,249 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:29:21,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:21 BoogieIcfgContainer [2024-11-08 22:29:21,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:21,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:21,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:21,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:21,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:21,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:29:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:29:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:29:21,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:21,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:21,555 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 22:29:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:29:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:29:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:29:21,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:48,849 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 22:29:49,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 22:29:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 22:29:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:29:49,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:49,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:25,837 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 22:30:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-08 22:30:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-08 22:30:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:30:26,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:41,773 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 22:31:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-08 22:31:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-08 22:31:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:31:43,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:32:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2024-11-08 22:32:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2024-11-08 22:32:06,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:32:06,668 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 22:32:06,677 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:32:06,902 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-08 22:32:06,902 INFO L77 FloydHoareUtils]: At program point L169-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-08 22:32:06,903 INFO L77 FloydHoareUtils]: At program point L172-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-08 22:32:06,903 INFO L75 FloydHoareUtils]: For program point L173(line 173) no Hoare annotation was computed. [2024-11-08 22:32:06,903 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:32:06,903 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2024-11-08 22:32:06,904 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-08 22:32:06,904 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:32:06,904 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-08 22:32:06,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:32:06 ImpRootNode [2024-11-08 22:32:06,924 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:32:06,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:32:06,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:32:06,925 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:32:06,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:21" (3/4) ... [2024-11-08 22:32:06,929 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:32:06,960 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-08 22:32:06,965 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 22:32:06,968 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:32:06,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:32:07,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:32:07,206 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:32:07,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:32:07,207 INFO L158 Benchmark]: Toolchain (without parser) took 174011.77ms. Allocated memory was 161.5MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 122.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 22:32:07,207 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 123.7MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:32:07,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.92ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 86.7MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:32:07,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.82ms. Allocated memory is still 161.5MB. Free memory was 86.7MB in the beginning and 76.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:32:07,209 INFO L158 Benchmark]: Boogie Preprocessor took 182.88ms. Allocated memory is still 161.5MB. Free memory was 76.8MB in the beginning and 124.5MB in the end (delta: -47.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-08 22:32:07,209 INFO L158 Benchmark]: RCFGBuilder took 6944.80ms. Allocated memory was 161.5MB in the beginning and 679.5MB in the end (delta: 518.0MB). Free memory was 124.5MB in the beginning and 431.2MB in the end (delta: -306.7MB). Peak memory consumption was 388.5MB. Max. memory is 16.1GB. [2024-11-08 22:32:07,210 INFO L158 Benchmark]: CodeCheck took 165673.05ms. Allocated memory was 679.5MB in the beginning and 3.2GB in the end (delta: 2.5GB). Free memory was 430.1MB in the beginning and 1.7GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-08 22:32:07,210 INFO L158 Benchmark]: Witness Printer took 281.82ms. Allocated memory is still 3.2GB. Free memory was 1.7GB in the beginning and 1.6GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:32:07,213 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: 165.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 173 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 471 IncrementalHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 71 mSDtfsCounter, 471 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 484 SyntacticMatches, 10 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3328 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 160.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20/55 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: 173]: 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: ((((a24 != 1) || (7 != a21)) || (0 < ((long long) a12 + 43))) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (7 != a21)) || (0 < ((long long) a12 + 43))) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 123.7MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.92ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 86.7MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.82ms. Allocated memory is still 161.5MB. Free memory was 86.7MB in the beginning and 76.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.88ms. Allocated memory is still 161.5MB. Free memory was 76.8MB in the beginning and 124.5MB in the end (delta: -47.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * RCFGBuilder took 6944.80ms. Allocated memory was 161.5MB in the beginning and 679.5MB in the end (delta: 518.0MB). Free memory was 124.5MB in the beginning and 431.2MB in the end (delta: -306.7MB). Peak memory consumption was 388.5MB. Max. memory is 16.1GB. * CodeCheck took 165673.05ms. Allocated memory was 679.5MB in the beginning and 3.2GB in the end (delta: 2.5GB). Free memory was 430.1MB in the beginning and 1.7GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 281.82ms. Allocated memory is still 3.2GB. Free memory was 1.7GB in the beginning and 1.6GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:32:07,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8781f2e-7013-402c-9084-826a5671d5f2/bin/ukojak-verify-ImItNfHLgk/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