./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/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_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/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_099f23fa-7268-49a1-99ca-1e65de952a78/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 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:53:37,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:53:37,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:53:37,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:53:37,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:53:37,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:53:37,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:53:37,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:53:37,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:53:37,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:53:37,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:53:37,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:53:37,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:53:37,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:53:37,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:53:37,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:53:37,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:53:37,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:53:37,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:53:37,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:53:37,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:53:37,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:53:37,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:53:37,793 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:53:37,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:53:37,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:53:37,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:53:37,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:37,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:53:37,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:53:37,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:53:37,800 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:53:37,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:53:37,801 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_099f23fa-7268-49a1-99ca-1e65de952a78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a [2024-11-08 22:53:38,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:53:38,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:53:38,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:53:38,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:53:38,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:53:38,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c Unable to find full path for "g++" [2024-11-08 22:53:40,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:53:40,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:53:40,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2024-11-08 22:53:40,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/data/ce11edd96/aa421e93de5e4c0eb96deeff9b246070/FLAGf002a0539 [2024-11-08 22:53:40,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/data/ce11edd96/aa421e93de5e4c0eb96deeff9b246070 [2024-11-08 22:53:40,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:53:40,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:53:40,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:40,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:53:40,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:53:40,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:40,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eff3ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40, skipping insertion in model container [2024-11-08 22:53:40,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:53:41,263 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_099f23fa-7268-49a1-99ca-1e65de952a78/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2024-11-08 22:53:41,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:41,486 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:53:41,527 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_099f23fa-7268-49a1-99ca-1e65de952a78/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2024-11-08 22:53:41,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:41,663 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:53:41,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41 WrapperNode [2024-11-08 22:53:41,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:41,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:41,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:53:41,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:53:41,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,759 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 22:53:41,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:41,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:53:41,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:53:41,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:53:41,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:53:41,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:53:41,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:53:41,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:53:41,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:41" (1/1) ... [2024-11-08 22:53:41,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:53:41,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:53:41,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:53:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:53:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:53:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:53:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:53:42,011 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:53:42,015 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:53:43,728 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 22:53:43,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:53:47,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:53:47,551 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:53:47,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:47 BoogieIcfgContainer [2024-11-08 22:53:47,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:53:47,553 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:53:47,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:53:47,566 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:53:47,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:47" (1/1) ... [2024-11-08 22:53:47,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:53:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:53:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:53:47,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:47,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:48,014 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 22:53:48,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:53:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:53:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:53:48,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:07,035 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 22:54:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 22:54:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 22:54:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:54:07,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:34,108 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 22:54:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-08 22:54:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-08 22:54:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:54:35,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:35,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:55,550 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 22:54:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2024-11-08 22:54:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2024-11-08 22:54:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:54:56,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:56,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:55:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:11,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2024-11-08 22:55:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-11-08 22:55:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:55:11,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:11,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:55:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 84 transitions. [2024-11-08 22:55:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2024-11-08 22:55:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:55:25,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:55:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-08 22:55:39,694 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-08 22:55:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:55:39,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:39,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:55:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2024-11-08 22:55:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2024-11-08 22:55:54,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:55:54,134 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 22:55:54,153 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:55:54,837 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 6) (not (= ~a10~0 1)) (< 0 (+ ~a1~0 8))) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-08 22:55:54,838 INFO L77 FloydHoareUtils]: At program point L118-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 218))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 22:55:54,838 INFO L77 FloydHoareUtils]: At program point L121-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 218))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 22:55:54,838 INFO L75 FloydHoareUtils]: For program point L122(line 122) no Hoare annotation was computed. [2024-11-08 22:55:54,839 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 22:55:54,839 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:55:54,839 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:55:54,840 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 6) (not (= ~a10~0 1)) (< 0 (+ ~a1~0 8))) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-08 22:55:54,840 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2024-11-08 22:55:54,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:55:54 ImpRootNode [2024-11-08 22:55:54,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:55:54,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:55:54,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:55:54,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:55:54,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:47" (3/4) ... [2024-11-08 22:55:54,872 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:55:54,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-08 22:55:54,897 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 22:55:54,899 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:55:54,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:55:55,185 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:55:55,185 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:55:55,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:55:55,187 INFO L158 Benchmark]: Toolchain (without parser) took 134221.36ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 107.0MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 206.1MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,187 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:55:55,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.64ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 76.1MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.73ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 67.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,189 INFO L158 Benchmark]: Boogie Preprocessor took 70.31ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 62.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,189 INFO L158 Benchmark]: RCFGBuilder took 5720.39ms. Allocated memory was 142.6MB in the beginning and 398.5MB in the end (delta: 255.9MB). Free memory was 62.8MB in the beginning and 278.2MB in the end (delta: -215.4MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,190 INFO L158 Benchmark]: CodeCheck took 127312.96ms. Allocated memory was 398.5MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 278.2MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,190 INFO L158 Benchmark]: Witness Printer took 319.28ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:55:55,193 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: 126.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 325 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 140 mSDtfsCounter, 996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1085 GetRequests, 943 SyntacticMatches, 50 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3992 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 119.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 48/107 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 122]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((a19 < 6) || (a10 != 1)) || (0 < ((long long) a1 + 8))) && (14 == a4)) && (a12 == 0)) || (((6 < a19) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a10 != 1)) || ((0 <= ((long long) a1 + 12)) && (a1 <= 218))) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.64ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 76.1MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.73ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 67.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.31ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 62.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5720.39ms. Allocated memory was 142.6MB in the beginning and 398.5MB in the end (delta: 255.9MB). Free memory was 62.8MB in the beginning and 278.2MB in the end (delta: -215.4MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. * CodeCheck took 127312.96ms. Allocated memory was 398.5MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 278.2MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. * Witness Printer took 319.28ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:55:55,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_099f23fa-7268-49a1-99ca-1e65de952a78/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