./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i --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_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/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_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/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_0838bca0-957f-498b-abfb-6c4964632972/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 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:39:38,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:39:38,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:39:38,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:39:38,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:39:38,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:39:38,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:39:38,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:39:38,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:39:38,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:39:38,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:39:38,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:39:38,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:39:38,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:39:38,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:39:38,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:39:38,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:39:38,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:39:38,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:39:38,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:39:38,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:39:38,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:39:38,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:39:38,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:39:38,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:39:38,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:39:38,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:39:38,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:38,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:39:38,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:39:38,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:39:38,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:39:38,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:39:38,847 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_0838bca0-957f-498b-abfb-6c4964632972/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 [2024-11-09 00:39:39,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:39:39,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:39:39,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:39:39,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:39:39,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:39:39,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i Unable to find full path for "g++" [2024-11-09 00:39:41,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:39:41,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:39:41,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-11-09 00:39:41,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/data/63c2624e7/2006a4b7168644f9bf03b185eb342faa/FLAGeb4baf611 [2024-11-09 00:39:41,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/data/63c2624e7/2006a4b7168644f9bf03b185eb342faa [2024-11-09 00:39:41,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:39:41,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:39:41,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:41,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:39:41,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:39:41,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:41" (1/1) ... [2024-11-09 00:39:41,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14542d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:41, skipping insertion in model container [2024-11-09 00:39:41,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:39:41" (1/1) ... [2024-11-09 00:39:41,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:39:42,096 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_0838bca0-957f-498b-abfb-6c4964632972/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i[813,826] [2024-11-09 00:39:42,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:42,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:39:42,137 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_0838bca0-957f-498b-abfb-6c4964632972/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i[813,826] [2024-11-09 00:39:42,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:39:42,163 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:39:42,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42 WrapperNode [2024-11-09 00:39:42,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:39:42,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:42,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:39:42,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:39:42,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,201 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-09 00:39:42,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:39:42,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:39:42,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:39:42,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:39:42,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:39:42,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:39:42,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:39:42,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:39:42,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:39:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:39:42,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:39:42,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:39:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:39:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:39:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:39:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:39:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:39:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:39:42,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:39:42,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:39:42,616 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-09 00:39:42,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:39:42,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:39:42,662 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:39:42,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:42 BoogieIcfgContainer [2024-11-09 00:39:42,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:39:42,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:39:42,664 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:39:42,678 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:39:42,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:42" (1/1) ... [2024-11-09 00:39:42,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-09 00:39:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-09 00:39:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:39:42,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:42,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:43,171 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 00:39:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-09 00:39:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-09 00:39:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:39:43,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:43,265 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 00:39:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-09 00:39:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-09 00:39:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:39:43,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:43,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:43,497 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 00:39:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 29 transitions. [2024-11-09 00:39:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-09 00:39:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:39:43,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 35 transitions. [2024-11-09 00:39:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-09 00:39:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:39:44,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:44,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:39:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 36 transitions. [2024-11-09 00:39:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-09 00:39:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:39:44,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:39:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 35 transitions. [2024-11-09 00:39:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:39:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:39:44,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:39:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 39 transitions. [2024-11-09 00:39:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-09 00:39:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:39:44,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:44,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 00:39:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 38 transitions. [2024-11-09 00:39:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-09 00:39:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:39:45,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 00:39:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 37 transitions. [2024-11-09 00:39:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-09 00:39:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:39:45,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:39:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 24 states and 29 transitions. [2024-11-09 00:39:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-09 00:39:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:39:45,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 00:39:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 20 states and 25 transitions. [2024-11-09 00:39:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-09 00:39:46,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:39:46,111 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-09 00:39:46,130 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:39:46,219 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:39:46,221 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-09 00:39:46,222 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-11-09 00:39:46,222 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-09 00:39:46,223 INFO L77 FloydHoareUtils]: At program point L19-1(lines 16 20) the Hoare annotation is: true [2024-11-09 00:39:46,223 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~v~0#1| 50) [2024-11-09 00:39:46,223 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: true [2024-11-09 00:39:46,224 INFO L77 FloydHoareUtils]: At program point L16-1(lines 16 20) the Hoare annotation is: (<= |ULTIMATE.start_main_~v~0#1| 50) [2024-11-09 00:39:46,226 INFO L77 FloydHoareUtils]: At program point L16-3(lines 16 20) the Hoare annotation is: (< 50 |ULTIMATE.start_main_~v~0#1|) [2024-11-09 00:39:46,227 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:39:46,227 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-09 00:39:46,227 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-09 00:39:46,227 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-09 00:39:46,228 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-11-09 00:39:46,228 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-11-09 00:39:46,228 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-09 00:39:46,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:39:46 ImpRootNode [2024-11-09 00:39:46,250 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:39:46,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:39:46,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:39:46,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:39:46,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:39:42" (3/4) ... [2024-11-09 00:39:46,254 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:39:46,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:39:46,262 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 00:39:46,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:39:46,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:39:46,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:39:46,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:39:46,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:39:46,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:39:46,389 INFO L158 Benchmark]: Toolchain (without parser) took 4573.27ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 98.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-09 00:39:46,389 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 109.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:46,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.65ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 99.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:39:46,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 98.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:39:46,395 INFO L158 Benchmark]: Boogie Preprocessor took 32.37ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 97.2MB in the end (delta: 969.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:46,396 INFO L158 Benchmark]: RCFGBuilder took 427.65ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 87.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:39:46,396 INFO L158 Benchmark]: CodeCheck took 3585.58ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 102.2MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:39:46,397 INFO L158 Benchmark]: Witness Printer took 137.59ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 98.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:39:46,401 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 424 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 238 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 665 IncrementalHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 238 mSolverCounterUnsat, 188 mSDtfsCounter, 665 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1440 GetRequests, 1381 SyntacticMatches, 17 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 179/194 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: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 109.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.65ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 99.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 98.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.37ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 97.2MB in the end (delta: 969.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.65ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 87.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3585.58ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 102.2MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 137.59ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 98.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:39:46,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0838bca0-957f-498b-abfb-6c4964632972/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