./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.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_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/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_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/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_3319c7f8-4b0c-4a75-9201-54874a66a608/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 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:36:47,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:47,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:36:47,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:47,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:36:47,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:47,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:47,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:36:47,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:47,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:47,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:47,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:47,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:47,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:47,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:47,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:47,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:47,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:47,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:47,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:47,848 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:47,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:47,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:47,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:36:47,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:36:47,849 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:36:47,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:47,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:47,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:47,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:47,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:47,851 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:36:47,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:47,854 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_3319c7f8-4b0c-4a75-9201-54874a66a608/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc [2024-11-09 00:36:48,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:48,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:48,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:48,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:48,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:48,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c Unable to find full path for "g++" [2024-11-09 00:36:50,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:50,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:50,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2024-11-09 00:36:50,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/data/3993f09e1/0f19d6ab273a4908a5dea9299d1a1f1f/FLAG62b238daa [2024-11-09 00:36:50,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/data/3993f09e1/0f19d6ab273a4908a5dea9299d1a1f1f [2024-11-09 00:36:50,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:50,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:50,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:50,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:50,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:50,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:50,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67254a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50, skipping insertion in model container [2024-11-09 00:36:50,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:50,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:50,901 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_3319c7f8-4b0c-4a75-9201-54874a66a608/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2024-11-09 00:36:50,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:50,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:36:50,936 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_3319c7f8-4b0c-4a75-9201-54874a66a608/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2024-11-09 00:36:50,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:50,959 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:36:50,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50 WrapperNode [2024-11-09 00:36:50,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:50,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:50,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:36:50,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:36:50,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:50,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:50,991 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-09 00:36:50,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:50,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:36:50,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:36:50,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:36:51,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:36:51,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:36:51,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:36:51,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:36:51,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:50" (1/1) ... [2024-11-09 00:36:51,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:36:51,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:36:51,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:36:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:36:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:36:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:36:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:36:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:36:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:36:51,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:36:51,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:36:51,300 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:36:51,300 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:36:51,342 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:36:51,342 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:36:51,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:51 BoogieIcfgContainer [2024-11-09 00:36:51,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:36:51,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:36:51,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:36:51,354 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:36:51,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:51" (1/1) ... [2024-11-09 00:36:51,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-09 00:36:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-09 00:36:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:36:51,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:51,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:51,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:36:51,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-09 00:36:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-09 00:36:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:36:51,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:51,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-09 00:36:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-09 00:36:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:36:52,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:52,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:36:52,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-09 00:36:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-09 00:36:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:36:52,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:52,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:52,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:36:52,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:36:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-09 00:36:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-09 00:36:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:36:53,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:53,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:36:53,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:36:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-09 00:36:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-09 00:36:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:36:53,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:53,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:54,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:36:54,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:36:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-09 00:36:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-09 00:36:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:36:54,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:54,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:54,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:36:54,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:36:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-09 00:36:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-09 00:36:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:36:55,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:55,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 54 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:36:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 26 states and 36 transitions. [2024-11-09 00:36:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-09 00:36:58,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:36:58,011 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-09 00:36:58,024 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:36:58,291 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:36:58,291 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-09 00:36:58,292 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-11-09 00:36:58,292 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:36:58,292 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-09 00:36:58,292 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-11-09 00:36:58,292 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-09 00:36:58,292 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-09 00:36:58,293 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-09 00:36:58,293 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:36:58,293 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-09 00:36:58,293 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:36:58,293 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-09 00:36:58,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:36:58 ImpRootNode [2024-11-09 00:36:58,315 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:36:58,315 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:36:58,315 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:36:58,316 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:36:58,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:51" (3/4) ... [2024-11-09 00:36:58,319 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:36:58,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:36:58,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:36:58,330 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:36:58,330 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:36:58,330 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:36:58,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:36:58,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:36:58,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:36:58,431 INFO L158 Benchmark]: Toolchain (without parser) took 7778.95ms. Allocated memory was 130.0MB in the beginning and 197.1MB in the end (delta: 67.1MB). Free memory was 67.6MB in the beginning and 108.1MB in the end (delta: -40.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,432 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:36:58,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.95ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 67.5MB in the beginning and 128.2MB in the end (delta: -60.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 163.6MB. Free memory was 128.2MB in the beginning and 126.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,436 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 163.6MB. Free memory was 126.6MB in the beginning and 125.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,437 INFO L158 Benchmark]: RCFGBuilder took 327.77ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 130.5MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,437 INFO L158 Benchmark]: CodeCheck took 6971.30ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 130.5MB in the beginning and 113.2MB in the end (delta: 17.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,438 INFO L158 Benchmark]: Witness Printer took 115.26ms. Allocated memory is still 197.1MB. Free memory was 113.2MB in the beginning and 108.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:36:58,440 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 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 272 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 696 IncrementalHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 84 mSDtfsCounter, 696 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1278 SyntacticMatches, 39 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3820 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 641 SizeOfPredicates, 6 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 224/331 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: 12]: 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 - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.95ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 67.5MB in the beginning and 128.2MB in the end (delta: -60.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 163.6MB. Free memory was 128.2MB in the beginning and 126.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.87ms. Allocated memory is still 163.6MB. Free memory was 126.6MB in the beginning and 125.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.77ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 130.5MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6971.30ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 130.5MB in the beginning and 113.2MB in the end (delta: 17.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Witness Printer took 115.26ms. Allocated memory is still 197.1MB. Free memory was 113.2MB in the beginning and 108.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:36:58,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3319c7f8-4b0c-4a75-9201-54874a66a608/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