./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:06,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:06,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:23:06,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:06,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:06,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:06,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:06,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:06,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:06,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:06,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:06,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:06,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:06,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:06,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:06,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:06,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:06,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:06,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:06,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:06,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:06,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:06,794 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:06,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:06,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:06,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:06,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:06,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:06,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:06,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:06,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:06,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:06,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:06,800 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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 [2023-11-19 03:23:07,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:07,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:07,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:07,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:07,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:07,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2023-11-19 03:23:10,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:10,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:10,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2023-11-19 03:23:10,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data/1f51b67a6/f3242a5177654230acf52d77fd9702b1/FLAG4821dc2cb [2023-11-19 03:23:10,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data/1f51b67a6/f3242a5177654230acf52d77fd9702b1 [2023-11-19 03:23:10,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:10,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:10,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:10,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:10,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:10,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f6564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10, skipping insertion in model container [2023-11-19 03:23:10,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:10,751 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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2023-11-19 03:23:10,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:10,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:10,802 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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2023-11-19 03:23:10,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:10,833 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:10,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10 WrapperNode [2023-11-19 03:23:10,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:10,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:10,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:10,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:10,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,905 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2023-11-19 03:23:10,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:10,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:10,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:10,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:10,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:10,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:10,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:10,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:10,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:10" (1/1) ... [2023-11-19 03:23:10,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:10,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:10,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:10,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:23:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:23:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:11,104 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:11,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:11,332 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:11,460 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:11,460 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:23:11,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:11 BoogieIcfgContainer [2023-11-19 03:23:11,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:11,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:11,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:11,482 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:11,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:11" (1/1) ... [2023-11-19 03:23:11,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-19 03:23:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-19 03:23:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:23:11,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:11,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:12,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:12,122 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:23:12,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:12 ImpRootNode [2023-11-19 03:23:12,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:12,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:12,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:12,179 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:12,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:11" (3/4) ... [2023-11-19 03:23:12,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:23:12,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:12,184 INFO L158 Benchmark]: Toolchain (without parser) took 1651.50ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 73.4MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 03:23:12,185 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.6MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:12,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.42ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 122.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:12,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 121.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:12,187 INFO L158 Benchmark]: Boogie Preprocessor took 35.75ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 119.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:12,188 INFO L158 Benchmark]: RCFGBuilder took 515.49ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 101.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:23:12,188 INFO L158 Benchmark]: CodeCheck took 705.65ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 74.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:12,189 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 165.7MB. Free memory was 74.2MB in the beginning and 73.4MB in the end (delta: 754.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:12,193 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, 29 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 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 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 31.25; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 0.25; [L26] float var_1_5 = 10.5; [L27] unsigned char var_1_6 = 16; [L28] double var_1_7 = 10.75; [L29] double var_1_8 = 2.675; [L30] unsigned char var_1_9 = 128; [L31] unsigned char var_1_10 = 2; [L73] isInitial = 1 [L74] FCALL initially() [L75] COND TRUE 1 [L76] FCALL updateLastVariables() [L77] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=0, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L48] var_1_3 = __VERIFIER_nondet_uchar() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L50] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=1/4, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L51] var_1_4 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=21/2, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L53] var_1_5 = __VERIFIER_nondet_float() [L54] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=43/4, var_1_8=107/40, var_1_9=128] [L55] var_1_7 = __VERIFIER_nondet_double() [L56] 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, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=107/40, var_1_9=128] [L20] COND FALSE !(!cond) [L56] 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, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=107/40, var_1_9=128] [L57] var_1_8 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=128] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=128] [L59] var_1_9 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L61] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=2, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L62] var_1_10 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=111, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=111, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L64] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=111, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=111, var_1_1=125/4, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L77] RET updateVariables() [L78] CALL step() [L35] COND TRUE \read(var_1_2) [L36] COND TRUE \read(var_1_3) [L37] var_1_1 = (var_1_4 + var_1_5) [L40] COND TRUE (var_1_7 - var_1_8) >= (var_1_1 + var_1_4) [L41] var_1_6 = (var_1_9 - var_1_10) [L78] RET step() [L79] CALL, EXPR property() [L69-L70] return (var_1_2 ? (var_1_3 ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) : 1) && (((var_1_7 - var_1_8) >= (var_1_1 + var_1_4)) ? (var_1_6 == ((unsigned char) (var_1_9 - var_1_10))) : 1) ; [L79] RET, EXPR property() [L79] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=111, var_1_1=0, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=111, var_1_1=0, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=16, var_1_7=4, var_1_8=5, var_1_9=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.6MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.42ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 122.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 121.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.75ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 119.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.49ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 101.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 705.65ms. Allocated memory is still 165.7MB. Free memory was 101.4MB in the beginning and 74.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 165.7MB. Free memory was 74.2MB in the beginning and 73.4MB in the end (delta: 754.6kB). 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 03:23:12,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:15,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:15,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:23:15,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:15,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:15,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:15,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:15,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:15,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:15,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:15,247 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:15,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:15,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:15,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:15,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:15,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:15,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:15,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:15,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:15,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:15,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:15,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:15,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:15,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:15,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:15,256 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:15,256 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:15,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:15,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:15,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:15,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:15,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:15,260 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:15,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:15,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:15,261 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:15,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:15,261 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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fa446d8c93aa6747c2c2e323426d1b7be32d5c9dc6e4b183922bd1055e01248 [2023-11-19 03:23:15,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:15,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:15,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:15,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:15,682 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:15,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2023-11-19 03:23:18,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:19,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:19,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i [2023-11-19 03:23:19,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data/15bbe7599/d0aba09057864145970cd4acf59bf5ac/FLAG4dbf9eb61 [2023-11-19 03:23:19,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/data/15bbe7599/d0aba09057864145970cd4acf59bf5ac [2023-11-19 03:23:19,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:19,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:19,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:19,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:19,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:19,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,218 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 03:23:19, skipping insertion in model container [2023-11-19 03:23:19,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:19,464 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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2023-11-19 03:23:19,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:19,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:19,564 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_f00f2cc2-4776-4adf-88e8-d4b8747f8429/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-71.i[915,928] [2023-11-19 03:23:19,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:19,620 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:19,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19 WrapperNode [2023-11-19 03:23:19,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:19,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:19,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:19,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:19,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,695 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2023-11-19 03:23:19,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:19,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:19,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:19,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:19,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:19,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:19,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:19,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:19,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:19" (1/1) ... [2023-11-19 03:23:19,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:19,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:19,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:23:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:23:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:23:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:19,927 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:19,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:23,899 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:24,001 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:24,012 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:23:24,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:24 BoogieIcfgContainer [2023-11-19 03:23:24,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:24,018 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:24,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:24,029 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:24,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:24" (1/1) ... [2023-11-19 03:23:24,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-19 03:23:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-19 03:23:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:23:24,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:24,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:24,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:24,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:24,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f00f2cc2-4776-4adf-88e8-d4b8747f8429/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:23:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:24,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:25,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:23:25,251 INFO L285 TraceCheckSpWp]: Computing forward predicates...