./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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 d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:33,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:33,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:49:33,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:33,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:33,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:33,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:33,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:33,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:33,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:33,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:33,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:33,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:33,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:33,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:33,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:33,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:33,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:33,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:33,399 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:33,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:33,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:33,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:33,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:33,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:33,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:33,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:33,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:33,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:33,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:33,404 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:33,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:33,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:33,405 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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 [2023-11-19 02:49:33,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:33,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:33,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:33,691 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:33,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:33,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 02:49:36,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:37,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:37,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 02:49:37,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data/acd1eaa94/fe7b5eb90edf41c0882a74ad5c901987/FLAGe34aca38e [2023-11-19 02:49:37,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data/acd1eaa94/fe7b5eb90edf41c0882a74ad5c901987 [2023-11-19 02:49:37,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:37,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:37,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:37,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:37,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:37,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315bafbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37, skipping insertion in model container [2023-11-19 02:49:37,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:37,426 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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 02:49:37,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:37,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:37,531 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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 02:49:37,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:37,597 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:37,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37 WrapperNode [2023-11-19 02:49:37,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:37,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:37,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:37,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:37,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,644 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 02:49:37,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:37,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:37,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:37,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:37,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:37,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:37,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:37,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:37,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:37" (1/1) ... [2023-11-19 02:49:37,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:37,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:37,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:37,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:49:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:49:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:37,841 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:37,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:38,157 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:38,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:38,386 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:49:38,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:38 BoogieIcfgContainer [2023-11-19 02:49:38,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:38,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:38,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:38,406 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:38,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:38" (1/1) ... [2023-11-19 02:49:38,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 02:49:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 02:49:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:49:38,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:38,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:38,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:38,989 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:49:39,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:49:39 ImpRootNode [2023-11-19 02:49:39,060 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:49:39,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:49:39,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:49:39,061 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:49:39,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:38" (3/4) ... [2023-11-19 02:49:39,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:49:39,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:49:39,074 INFO L158 Benchmark]: Toolchain (without parser) took 1901.17ms. Allocated memory is still 201.3MB. Free memory was 157.3MB in the beginning and 154.1MB in the end (delta: 3.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-19 02:49:39,074 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:39,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.77ms. Allocated memory is still 201.3MB. Free memory was 156.7MB in the beginning and 144.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:49:39,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.88ms. Allocated memory is still 201.3MB. Free memory was 144.1MB in the beginning and 142.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:39,077 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 201.3MB. Free memory was 142.0MB in the beginning and 140.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:39,078 INFO L158 Benchmark]: RCFGBuilder took 715.72ms. Allocated memory is still 201.3MB. Free memory was 140.8MB in the beginning and 113.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:49:39,079 INFO L158 Benchmark]: CodeCheck took 665.31ms. Allocated memory is still 201.3MB. Free memory was 113.5MB in the beginning and 154.1MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:39,079 INFO L158 Benchmark]: Witness Printer took 11.41ms. Allocated memory is still 201.3MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:39,089 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 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 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 28. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] float var_1_2 = 49.25; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] float var_1_6 = 8.4; [L28] float var_1_7 = -0.25; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L71] var_1_3 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L74] var_1_4 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_8=-4, var_1_9=64] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-4, var_1_9=64] [L81] var_1_8 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L84] var_1_10 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=100000001, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=100000001, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L87] var_1_11 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L90] var_1_14 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=10, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L93] var_1_15 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=1, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=1, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=1, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=1, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L108] RET updateVariables() [L109] CALL step() [L39] COND TRUE var_1_2 >= 50.4f [L40] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) [L42] COND FALSE !(var_1_3 == (var_1_1 * var_1_4)) [L49] var_1_5 = var_1_8 [L51] COND TRUE ! (var_1_4 < var_1_3) [L52] var_1_9 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) [L56] COND TRUE var_1_10 > var_1_9 [L57] COND TRUE 63.1 >= var_1_7 [L58] COND TRUE var_1_7 >= var_1_2 [L59] var_1_12 = (var_1_14 - var_1_15) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=1, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=100000000] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=100000001, var_1_11=100000000, var_1_12=100, var_1_14=101, var_1_15=1, var_1_1=100000000, var_1_3=100000000, var_1_4=100000000, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=100000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.77ms. Allocated memory is still 201.3MB. Free memory was 156.7MB in the beginning and 144.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.88ms. Allocated memory is still 201.3MB. Free memory was 144.1MB in the beginning and 142.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 201.3MB. Free memory was 142.0MB in the beginning and 140.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 715.72ms. Allocated memory is still 201.3MB. Free memory was 140.8MB in the beginning and 113.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 665.31ms. Allocated memory is still 201.3MB. Free memory was 113.5MB in the beginning and 154.1MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.41ms. Allocated memory is still 201.3MB. Free memory is still 154.1MB. 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 02:49:39,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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 d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:41,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:41,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:49:41,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:41,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:41,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:41,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:41,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:41,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:41,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:41,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:41,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:41,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:41,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:41,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:41,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:41,929 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:49:41,929 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:49:41,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:49:41,931 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:41,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:41,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:41,933 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:41,933 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:41,934 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:41,934 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:41,935 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:41,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:41,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:41,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:41,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:41,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:41,938 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:49:41,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:41,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:41,939 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:49:41,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:41,940 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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 [2023-11-19 02:49:42,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:42,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:42,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:42,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:42,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:42,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 02:49:45,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:45,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:45,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 02:49:45,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data/487d69817/f9a93c3c58ae4164ae823ed9198d048b/FLAG9cc8e00e4 [2023-11-19 02:49:45,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/data/487d69817/f9a93c3c58ae4164ae823ed9198d048b [2023-11-19 02:49:45,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:45,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:45,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:45,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:45,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:45,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:45" (1/1) ... [2023-11-19 02:49:45,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728de4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:45, skipping insertion in model container [2023-11-19 02:49:45,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:45" (1/1) ... [2023-11-19 02:49:45,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:46,056 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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 02:49:46,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:46,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:46,179 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_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 02:49:46,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:46,239 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:46,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46 WrapperNode [2023-11-19 02:49:46,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:46,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:46,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:46,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:46,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,347 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-19 02:49:46,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:46,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:46,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:46,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:46,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:46,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:46,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:46,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:46,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:46" (1/1) ... [2023-11-19 02:49:46,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:46,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:46,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:46,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:49:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:49:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:49:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:46,587 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:46,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:47,500 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:47,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:47,607 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:49:47,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:47 BoogieIcfgContainer [2023-11-19 02:49:47,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:47,613 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:47,613 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:47,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:47,624 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:47" (1/1) ... [2023-11-19 02:49:47,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 02:49:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 02:49:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:49:47,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:47,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:47,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:49:47,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:49:47,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb39ee5-5b7f-46e5-bc13-614cfd2773b9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:49:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:48,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:49:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:49,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:49:49,092 INFO L285 TraceCheckSpWp]: Computing forward predicates...