./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL --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 a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:07,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:07,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:48:07,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:07,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:07,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:07,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:07,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:07,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:07,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:07,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:07,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:07,431 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:07,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:07,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:07,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:07,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:07,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:07,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:07,435 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:07,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:07,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:07,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:07,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:07,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:07,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:07,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:07,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:07,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:07,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:07,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:07,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:07,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:07,443 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed [2023-11-19 02:48:07,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:07,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:07,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:07,693 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:07,694 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:07,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-11-19 02:48:10,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:11,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:11,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-11-19 02:48:11,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data/00c1ddbf3/cb9453c230374d8083cbd93e22177692/FLAG72b1ea633 [2023-11-19 02:48:11,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data/00c1ddbf3/cb9453c230374d8083cbd93e22177692 [2023-11-19 02:48:11,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:11,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:11,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:11,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:11,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:11,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216c23eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11, skipping insertion in model container [2023-11-19 02:48:11,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:11,210 WARN L240 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-11-19 02:48:11,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:11,254 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:11,264 WARN L240 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-11-19 02:48:11,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:11,300 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:11,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11 WrapperNode [2023-11-19 02:48:11,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:11,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:11,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:11,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:11,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,353 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2023-11-19 02:48:11,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:11,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:11,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:11,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:11,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:11,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:11,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:11,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:11,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:11" (1/1) ... [2023-11-19 02:48:11,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:11,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:11,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:48:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:48:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:11,558 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:11,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:11,839 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:12,024 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:12,024 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:48:12,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:12 BoogieIcfgContainer [2023-11-19 02:48:12,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:12,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:12,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:12,045 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:12,045 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:12" (1/1) ... [2023-11-19 02:48:12,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 02:48:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 02:48:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:48:12,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:12,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:12,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:48:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:12,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:48:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:12,976 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:48:13,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:48:13 ImpRootNode [2023-11-19 02:48:13,078 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:48:13,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:48:13,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:48:13,082 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:48:13,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:12" (3/4) ... [2023-11-19 02:48:13,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:48:13,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:48:13,093 INFO L158 Benchmark]: Toolchain (without parser) took 2056.38ms. Allocated memory was 148.9MB in the beginning and 222.3MB in the end (delta: 73.4MB). Free memory was 111.2MB in the beginning and 176.6MB in the end (delta: -65.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 02:48:13,094 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:13,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.92ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 99.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:48:13,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.83ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:13,097 INFO L158 Benchmark]: Boogie Preprocessor took 30.63ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:13,098 INFO L158 Benchmark]: RCFGBuilder took 644.53ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 74.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:48:13,100 INFO L158 Benchmark]: CodeCheck took 1046.78ms. Allocated memory was 148.9MB in the beginning and 222.3MB in the end (delta: 73.4MB). Free memory was 74.5MB in the beginning and 176.6MB in the end (delta: -102.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:13,101 INFO L158 Benchmark]: Witness Printer took 8.94ms. Allocated memory is still 222.3MB. Free memory was 176.6MB in the beginning and 176.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:13,113 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] float var_1_6 = 2.375; [L25] float var_1_7 = 10.8; [L26] double var_1_9 = 9.6; [L27] double var_1_12 = 128.5; [L28] unsigned char var_1_13 = 128; [L29] float var_1_14 = 8.5; [L30] unsigned char var_1_15 = 128; [L31] unsigned char last_1_var_1_13 = 128; [L81] isInitial = 1 [L82] FCALL initially() [L83] COND TRUE 1 [L84] CALL updateLastVariables() [L74] last_1_var_1_13 = var_1_13 [L84] RET updateLastVariables() [L85] CALL updateVariables() [L57] var_1_4 = __VERIFIER_nondet_uchar() [L58] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L59] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L60] var_1_6 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=54/5, var_1_9=48/5] [L62] var_1_7 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L64] var_1_12 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L66] var_1_14 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L68] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=133, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=133, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L71] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=133, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=133, var_1_1=1, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=48/5] [L85] RET updateVariables() [L86] CALL step() [L35] COND TRUE ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13) [L36] var_1_9 = var_1_12 [L38] COND TRUE var_1_9 <= (16.2f / var_1_14) [L39] var_1_13 = (var_1_15 - 5) [L41] unsigned char stepLocal_0 = var_1_9 > var_1_9; [L42] COND TRUE stepLocal_0 && var_1_4 [L43] COND TRUE ((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9 [L44] COND FALSE !(! (var_1_9 >= (var_1_6 - var_1_7))) [L47] var_1_1 = var_1_13 [L86] RET step() [L87] CALL, EXPR property() [L77-L78] return ((((var_1_9 > var_1_9) && var_1_4) ? ((((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) ? ((! (var_1_9 >= (var_1_6 - var_1_7))) ? (var_1_1 == ((unsigned long int) var_1_13)) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) && ((((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13)) ? (var_1_9 == ((double) var_1_12)) : 1)) && ((var_1_9 <= (16.2f / var_1_14)) ? (var_1_13 == ((unsigned char) (var_1_15 - 5))) : 1) ; [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=133, var_1_1=128, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=128, var_1_12=4, var_1_13=128, var_1_14=5, var_1_15=133, var_1_1=128, var_1_4=1, var_1_6=2, var_1_7=3, var_1_9=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.92ms. Allocated memory is still 148.9MB. Free memory was 111.2MB in the beginning and 99.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.83ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.63ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 644.53ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 74.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1046.78ms. Allocated memory was 148.9MB in the beginning and 222.3MB in the end (delta: 73.4MB). Free memory was 74.5MB in the beginning and 176.6MB in the end (delta: -102.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.94ms. Allocated memory is still 222.3MB. Free memory was 176.6MB in the beginning and 176.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:48:13,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL --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 a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:15,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:16,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:48:16,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:16,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:16,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:16,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:16,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:16,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:16,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:16,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:16,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:16,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:16,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:16,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:16,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:16,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:48:16,127 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:48:16,127 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:48:16,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:16,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:16,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:16,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:16,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:16,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:16,130 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:16,131 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:48:16,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:16,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:16,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:16,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:16,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:16,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:48:16,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:16,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:16,135 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:48:16,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:48:16,135 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed [2023-11-19 02:48:16,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:16,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:16,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:16,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:16,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:16,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-11-19 02:48:20,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:20,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:20,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-11-19 02:48:20,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data/f2c854a85/a5cd3b7dfc8e42a596cc8ff285d2db3a/FLAG8a23940dc [2023-11-19 02:48:20,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/data/f2c854a85/a5cd3b7dfc8e42a596cc8ff285d2db3a [2023-11-19 02:48:20,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:20,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:20,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:20,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:20,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:20,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:20,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4285e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20, skipping insertion in model container [2023-11-19 02:48:20,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:20,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:20,796 WARN L240 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-11-19 02:48:20,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:20,893 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:20,909 WARN L240 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_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-11-19 02:48:20,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:20,967 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:20,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20 WrapperNode [2023-11-19 02:48:20,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:20,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:20,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:20,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:20,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,042 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2023-11-19 02:48:21,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:21,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:21,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:21,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:21,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:21,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:21,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:21,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:21,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:20" (1/1) ... [2023-11-19 02:48:21,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:21,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:21,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:21,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:48:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:48:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:48:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:21,313 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:21,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:25,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:25,668 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:25,668 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:48:25,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:25 BoogieIcfgContainer [2023-11-19 02:48:25,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:25,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:25,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:25,683 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:25,684 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 02:48:25,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 02:48:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:48:25,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:25,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:25,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:48:25,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:48:25,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:48:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:48:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:27,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:48:27,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:48:48,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:48:55,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:59,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:01,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 68 transitions. [2023-11-19 02:49:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-11-19 02:49:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:49:01,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:01,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:01,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:49:01,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:49:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cdfcdb-dd23-4047-b183-e69e5abfac1b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:49:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:03,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:49:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:03,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:49:03,906 INFO L285 TraceCheckSpWp]: Computing forward predicates...