./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.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_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/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_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/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_9f81d31d-6211-4753-86fd-eddd35ba526e/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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:27,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:27,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:14:27,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:27,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:28,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:28,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:28,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:28,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:28,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:28,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:28,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:28,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:28,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:28,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:28,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:28,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:28,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:28,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:28,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:28,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:28,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:28,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:28,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:28,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:28,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:28,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:28,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:28,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:28,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:28,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:28,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:28,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:28,052 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_9f81d31d-6211-4753-86fd-eddd35ba526e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2023-11-19 03:14:28,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:28,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:28,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:28,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:28,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:28,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-11-19 03:14:31,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:31,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:31,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-11-19 03:14:31,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data/65fef400d/1f2498e8bff346e0a9c74bfe92729570/FLAGaa4c55967 [2023-11-19 03:14:31,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data/65fef400d/1f2498e8bff346e0a9c74bfe92729570 [2023-11-19 03:14:31,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:31,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:31,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:31,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:31,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:31,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cdc706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31, skipping insertion in model container [2023-11-19 03:14:31,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:31,939 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_9f81d31d-6211-4753-86fd-eddd35ba526e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-11-19 03:14:31,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:32,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:32,012 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_9f81d31d-6211-4753-86fd-eddd35ba526e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-11-19 03:14:32,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:32,040 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:32,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32 WrapperNode [2023-11-19 03:14:32,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:32,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:32,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:32,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:32,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,094 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2023-11-19 03:14:32,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:32,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:32,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:32,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:32,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:32,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:32,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:32,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:32,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:32,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:32,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:32,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:14:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:14:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:32,294 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:32,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:32,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:32,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:32,590 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:14:32,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:32 BoogieIcfgContainer [2023-11-19 03:14:32,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:32,596 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:32,596 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:32,606 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:32,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 03:14:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 03:14:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:14:32,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:32,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:33,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:33,201 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:14:33,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:33 ImpRootNode [2023-11-19 03:14:33,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:33,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:33,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:33,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:33,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:32" (3/4) ... [2023-11-19 03:14:33,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:14:33,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:33,246 INFO L158 Benchmark]: Toolchain (without parser) took 1502.12ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 95.0MB in the end (delta: 10.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,247 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:33,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.30ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 94.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.91ms. Allocated memory is still 161.5MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,248 INFO L158 Benchmark]: Boogie Preprocessor took 27.95ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:33,249 INFO L158 Benchmark]: RCFGBuilder took 471.44ms. Allocated memory is still 161.5MB. Free memory was 90.6MB in the beginning and 118.1MB in the end (delta: -27.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,250 INFO L158 Benchmark]: CodeCheck took 644.29ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 95.6MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,250 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 95.0MB in the end (delta: 546.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,254 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, 22 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, 33 NumberOfCodeBlocks, 33 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 58, overapproximation of someBinaryArithmeticFLOAToperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_3 = 0; [L24] unsigned char var_1_4 = 128; [L25] unsigned char var_1_5 = 2; [L26] float var_1_6 = 3.9; [L27] float var_1_7 = 5.75; [L28] float var_1_8 = 31.25; [L29] signed short int var_1_9 = -32; [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_3 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L43] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L46] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L47] var_1_5 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L49] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L50] var_1_7 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=2, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=2, var_1_8=125/4, var_1_9=-32] [L52] var_1_8 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=2, var_1_8=3, var_1_9=-32] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=2, var_1_8=3, var_1_9=-32] [L66] RET updateVariables() [L67] CALL step() [L33] var_1_6 = (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8)))) [L34] var_1_9 = var_1_4 [L35] unsigned char stepLocal_0 = var_1_3; [L36] COND TRUE (-1000000000 < var_1_9) || stepLocal_0 [L37] var_1_1 = (var_1_4 - var_1_5) [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return ((((-1000000000 < var_1_9) || var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : 1) && (var_1_6 == ((float) (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8))))))) && (var_1_9 == ((signed short int) var_1_4)) ; [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=127, var_1_3=1, var_1_4=127, var_1_5=0, var_1_7=2, var_1_8=3, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=127, var_1_3=1, var_1_4=127, var_1_5=0, var_1_7=2, var_1_8=3, var_1_9=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.30ms. Allocated memory is still 161.5MB. Free memory was 105.1MB in the beginning and 94.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.91ms. Allocated memory is still 161.5MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.95ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.44ms. Allocated memory is still 161.5MB. Free memory was 90.6MB in the beginning and 118.1MB in the end (delta: -27.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 644.29ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 95.6MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 95.0MB in the end (delta: 546.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:14:33,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/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_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/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_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/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_9f81d31d-6211-4753-86fd-eddd35ba526e/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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:35,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:36,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:14:36,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:36,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:36,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:36,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:36,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:36,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:36,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:36,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:36,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:36,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:36,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:36,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:36,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:36,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:14:36,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:14:36,160 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:14:36,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:36,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:36,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:36,162 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:36,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:36,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:36,164 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:36,164 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:14:36,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:36,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:36,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:36,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:36,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:36,168 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:14:36,169 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:36,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:36,169 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:14:36,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:14:36,170 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_9f81d31d-6211-4753-86fd-eddd35ba526e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2023-11-19 03:14:36,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:36,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:36,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:36,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:36,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:36,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-11-19 03:14:39,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:40,115 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:40,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-11-19 03:14:40,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data/d9aaff4f6/8fe271fd9bf64cef8a6c6a5dee59a2ad/FLAG82380f487 [2023-11-19 03:14:40,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/data/d9aaff4f6/8fe271fd9bf64cef8a6c6a5dee59a2ad [2023-11-19 03:14:40,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:40,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:40,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:40,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:40,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:40,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fac820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40, skipping insertion in model container [2023-11-19 03:14:40,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:40,424 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_9f81d31d-6211-4753-86fd-eddd35ba526e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-11-19 03:14:40,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:40,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:40,509 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_9f81d31d-6211-4753-86fd-eddd35ba526e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-11-19 03:14:40,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:40,577 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:40,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40 WrapperNode [2023-11-19 03:14:40,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:40,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:40,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:40,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:40,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,657 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2023-11-19 03:14:40,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:40,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:40,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:40,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:40,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:40,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:40,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:40,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:40,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:40" (1/1) ... [2023-11-19 03:14:40,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:40,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:40,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:40,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:14:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:14:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:14:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:40,969 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:40,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:41,340 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:41,400 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:41,400 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:14:41,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:41 BoogieIcfgContainer [2023-11-19 03:14:41,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:41,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:41,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:41,418 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:41,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:41" (1/1) ... [2023-11-19 03:14:41,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:41,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 03:14:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 03:14:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:14:41,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:41,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:41,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:14:41,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:14:41,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f81d31d-6211-4753-86fd-eddd35ba526e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:14:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:42,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:14:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:42,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:14:42,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:11,452 WARN L293 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 03:15:17,980 WARN L293 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 03:15:30,005 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)