./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --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_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/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_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/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_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:21,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:21,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:01:21,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:01:21,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:01:21,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:21,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:21,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:21,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:21,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:21,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:21,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:21,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:01:21,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:01:21,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:01:21,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:21,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:21,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:21,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:21,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:21,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:01:21,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:21,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:21,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:21,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:21,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:21,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:21,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:21,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:21,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:21,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:21,460 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:01:21,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:01:21,460 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_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2024-11-09 00:01:21,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:21,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:21,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:21,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:21,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:21,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-invgen/id_trans.i Unable to find full path for "g++" [2024-11-09 00:01:23,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:24,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:24,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/sv-benchmarks/c/loop-invgen/id_trans.i [2024-11-09 00:01:24,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/data/f489f94c0/90b44a0fa7014385a91923d6a77a3927/FLAGd4884a014 [2024-11-09 00:01:24,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/data/f489f94c0/90b44a0fa7014385a91923d6a77a3927 [2024-11-09 00:01:24,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:24,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:24,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:24,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:24,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:24,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47764e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24, skipping insertion in model container [2024-11-09 00:01:24,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:24,433 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_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2024-11-09 00:01:24,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:24,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:24,480 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_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2024-11-09 00:01:24,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:24,504 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:24,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24 WrapperNode [2024-11-09 00:01:24,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:24,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:24,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:24,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:24,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,543 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-09 00:01:24,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:24,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:24,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:24,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:24,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:24,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:24,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:24,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:24,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:24" (1/1) ... [2024-11-09 00:01:24,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:24,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:24,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:01:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:01:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:01:24,750 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:24,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:24,995 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:24,995 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:25,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:25,045 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:01:25,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:25 BoogieIcfgContainer [2024-11-09 00:01:25,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:25,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:25,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:25,061 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:25,062 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:25" (1/1) ... [2024-11-09 00:01:25,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-09 00:01:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-09 00:01:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:01:25,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:25,631 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 00:01:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 33 transitions. [2024-11-09 00:01:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-11-09 00:01:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:01:25,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:25,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:26,061 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 00:01:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 32 transitions. [2024-11-09 00:01:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:01:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:01:26,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:26,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:01:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 43 transitions. [2024-11-09 00:01:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2024-11-09 00:01:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:01:26,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:26,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:26,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:26,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:26,901 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-09 00:01:26,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:26 ImpRootNode [2024-11-09 00:01:26,943 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:26,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:26,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:26,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:26,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:25" (3/4) ... [2024-11-09 00:01:26,947 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:01:26,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:01:26,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:26,998 INFO L158 Benchmark]: Toolchain (without parser) took 2844.31ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 123.6MB in the end (delta: 5.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,998 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:26,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.62ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 126.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.67ms. Allocated memory is still 165.7MB. Free memory was 126.8MB in the beginning and 125.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:27,000 INFO L158 Benchmark]: Boogie Preprocessor took 26.22ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 124.2MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,001 INFO L158 Benchmark]: RCFGBuilder took 474.84ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 112.1MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,001 INFO L158 Benchmark]: CodeCheck took 1895.61ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 125.7MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:27,002 INFO L158 Benchmark]: Witness Printer took 52.94ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:27,005 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 41 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 10/10 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] int idBitLength, material_length, nlen; [L26] int j, k; [L27] nlen = __VERIFIER_nondet_int() [L28] idBitLength = __VERIFIER_nondet_int() [L29] material_length = __VERIFIER_nondet_int() [L30] COND FALSE !(!( nlen == idBitLength / 32 )) [L31] j = 0 VAL [idBitLength=25, j=0, material_length=1, nlen=0] [L31] COND FALSE !((j < idBitLength / 8) && (j < material_length)) VAL [idBitLength=25, j=0, material_length=1, nlen=0] [L31] COND TRUE (j < idBitLength / 8) && (j < material_length) VAL [idBitLength=25, j=0, material_length=1, nlen=0] [L32] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L32] RET __VERIFIER_assert( 0 <= j) VAL [idBitLength=25, j=0, material_length=1, nlen=0] [L33] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L33] RET __VERIFIER_assert( j < material_length ) VAL [idBitLength=25, j=0, material_length=1, nlen=0] [L34] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L18] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert( 0 <= j/4 ) VAL [idBitLength=25, j=0, material_length=1, nlen=0] [L35] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L18] COND TRUE !(cond) VAL [\old(cond)=0] [L19] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.62ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 126.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.67ms. Allocated memory is still 165.7MB. Free memory was 126.8MB in the beginning and 125.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.22ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 124.2MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 474.84ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 112.1MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1895.61ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 125.7MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.94ms. Allocated memory is still 165.7MB. Free memory was 125.7MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:01:27,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4c71bc1-9092-4ae7-aa3a-4b295f9c6f28/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE