./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.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_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/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_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/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_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/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 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:57:53,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:57:53,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:57:53,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:57:53,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:57:53,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:57:53,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:57:53,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:57:53,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:57:53,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:57:53,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:57:53,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:57:53,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:57:53,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:57:53,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:57:53,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:57:53,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:57:53,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:57:53,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:57:53,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:57:53,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:57:53,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:57:53,963 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:57:53,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:57:53,963 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:57:53,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:57:53,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:57:53,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:53,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:57:53,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:57:53,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:57:53,965 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:57:53,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:57:53,965 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_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 [2024-11-08 23:57:54,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:57:54,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:57:54,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:57:54,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:57:54,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:57:54,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c Unable to find full path for "g++" [2024-11-08 23:57:56,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:57:56,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:57:56,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2024-11-08 23:57:56,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/data/3b905509e/28cbac3b503d4dc695723ad669b280a8/FLAGedb4368cb [2024-11-08 23:57:56,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/data/3b905509e/28cbac3b503d4dc695723ad669b280a8 [2024-11-08 23:57:56,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:57:56,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:57:56,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:56,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:57:56,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:57:56,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:56" (1/1) ... [2024-11-08 23:57:56,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e684b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:56, skipping insertion in model container [2024-11-08 23:57:56,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:57:56" (1/1) ... [2024-11-08 23:57:56,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:57:57,026 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_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2024-11-08 23:57:57,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:57,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:57:57,392 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_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2024-11-08 23:57:57,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:57:57,603 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:57:57,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57 WrapperNode [2024-11-08 23:57:57,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:57:57,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:57,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:57:57,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:57:57,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,838 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-08 23:57:57,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:57:57,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:57:57,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:57:57,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:57:57,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:57:57,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:57:57,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:57:57,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:57:57,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:57:57" (1/1) ... [2024-11-08 23:57:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:57:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:57:58,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:57:58,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:57:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:57:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:57:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:57:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:57:58,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:57:58,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:58:00,262 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-08 23:58:00,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:58:08,059 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:58:08,060 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:58:08,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:58:08 BoogieIcfgContainer [2024-11-08 23:58:08,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:58:08,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:58:08,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:58:08,071 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:58:08,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:58:08" (1/1) ... [2024-11-08 23:58:08,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:58:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:58:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:58:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:58:08,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:08,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:08,474 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 23:58:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:58:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:58:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:58:08,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:56,979 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 23:58:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 23:58:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 23:58:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:58:57,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:57,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-09 00:00:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-09 00:00:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:00:38,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:38,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-09 00:02:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-09 00:02:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:02:13,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:03:21,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-11-09 00:03:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-11-09 00:03:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:03:21,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:21,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:04:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-11-09 00:04:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-11-09 00:04:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:04:25,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:05:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2024-11-09 00:05:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2024-11-09 00:05:32,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:05:32,472 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-09 00:05:32,481 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:05:33,015 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-11-09 00:05:33,015 INFO L77 FloydHoareUtils]: At program point L183-1(lines 32 1036) the Hoare annotation is: (and (or (and (<= ~a29~0 277) (<= 141 ~a29~0)) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-11-09 00:05:33,015 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (and (or (< 140 ~a29~0) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-11-09 00:05:33,016 INFO L77 FloydHoareUtils]: At program point L186-1(lines 32 1036) the Hoare annotation is: (and (or (< 140 ~a29~0) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-11-09 00:05:33,016 INFO L75 FloydHoareUtils]: For program point L187(line 187) no Hoare annotation was computed. [2024-11-09 00:05:33,016 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:05:33,016 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (and (or (< 140 ~a29~0) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-11-09 00:05:33,017 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2024-11-09 00:05:33,017 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:05:33,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:05:33 ImpRootNode [2024-11-09 00:05:33,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:05:33,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:05:33,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:05:33,034 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:05:33,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:58:08" (3/4) ... [2024-11-09 00:05:33,037 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:05:33,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 273 nodes and edges [2024-11-09 00:05:33,061 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:05:33,063 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:05:33,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:05:33,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:05:33,289 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:05:33,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:05:33,290 INFO L158 Benchmark]: Toolchain (without parser) took 456622.24ms. Allocated memory was 155.2MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 122.9MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 763.4MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,290 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:33,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.19ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 74.9MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 233.45ms. Allocated memory is still 155.2MB. Free memory was 74.9MB in the beginning and 107.0MB in the end (delta: -32.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,292 INFO L158 Benchmark]: Boogie Preprocessor took 150.03ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 96.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,292 INFO L158 Benchmark]: RCFGBuilder took 10069.90ms. Allocated memory was 155.2MB in the beginning and 943.7MB in the end (delta: 788.5MB). Free memory was 96.6MB in the beginning and 401.2MB in the end (delta: -304.6MB). Peak memory consumption was 498.6MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,292 INFO L158 Benchmark]: CodeCheck took 444971.75ms. Allocated memory was 943.7MB in the beginning and 4.0GB in the end (delta: 3.0GB). Free memory was 401.2MB in the beginning and 3.2GB in the end (delta: -2.8GB). Peak memory consumption was 232.7MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,293 INFO L158 Benchmark]: Witness Printer took 255.63ms. Allocated memory is still 4.0GB. Free memory was 3.2GB in the beginning and 3.2GB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:05:33,295 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: 444.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 664 IncrementalHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 109 mSDtfsCounter, 664 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 789 SyntacticMatches, 31 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1606 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 436.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1055 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 187]: 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: 1044]: Loop Invariant Derived loop invariant: ((((((140 < a29) || (a25 != 11)) || (0 < ((long long) a23 + 43))) || (a4 != 1)) && (a3 == 1)) && (a8 == 15)) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: ((((((140 < a29) || (a25 != 11)) || (0 < ((long long) a23 + 43))) || (a4 != 1)) && (a3 == 1)) && (a8 == 15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.19ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 74.9MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 233.45ms. Allocated memory is still 155.2MB. Free memory was 74.9MB in the beginning and 107.0MB in the end (delta: -32.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.03ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 96.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10069.90ms. Allocated memory was 155.2MB in the beginning and 943.7MB in the end (delta: 788.5MB). Free memory was 96.6MB in the beginning and 401.2MB in the end (delta: -304.6MB). Peak memory consumption was 498.6MB. Max. memory is 16.1GB. * CodeCheck took 444971.75ms. Allocated memory was 943.7MB in the beginning and 4.0GB in the end (delta: 3.0GB). Free memory was 401.2MB in the beginning and 3.2GB in the end (delta: -2.8GB). Peak memory consumption was 232.7MB. Max. memory is 16.1GB. * Witness Printer took 255.63ms. Allocated memory is still 4.0GB. Free memory was 3.2GB in the beginning and 3.2GB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:05:33,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf75699f-4542-43a0-bdc5-f70fd1b1fbe3/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