./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:13,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:14,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:26:14,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:26:14,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:26:14,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:14,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:14,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:14,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:14,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:14,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:14,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:14,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:14,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:26:14,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:14,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:14,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:14,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:14,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:14,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:14,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:14,115 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:14,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:14,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:14,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:14,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:14,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:14,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:14,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:14,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:14,119 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:26:14,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:26:14,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:14,121 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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 [2023-11-19 03:26:14,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:14,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:14,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:14,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:14,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:14,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2023-11-19 03:26:17,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:17,967 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:17,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2023-11-19 03:26:17,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data/b45255a75/a0341b0c86144a9eb2ae28b798d60e58/FLAG5b99c3c92 [2023-11-19 03:26:17,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data/b45255a75/a0341b0c86144a9eb2ae28b798d60e58 [2023-11-19 03:26:17,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:17,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:18,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:18,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:18,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:18,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:17" (1/1) ... [2023-11-19 03:26:18,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f44044c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18, skipping insertion in model container [2023-11-19 03:26:18,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:17" (1/1) ... [2023-11-19 03:26:18,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:18,200 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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2023-11-19 03:26:18,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:18,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:18,284 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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2023-11-19 03:26:18,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:18,323 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:18,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18 WrapperNode [2023-11-19 03:26:18,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:18,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:18,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:18,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:18,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,374 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2023-11-19 03:26:18,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:18,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:18,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:18,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:18,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:18,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:18,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:18,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:18,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:18" (1/1) ... [2023-11-19 03:26:18,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:18,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:18,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:18,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:26:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:26:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:26:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:18,580 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:18,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:18,839 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:19,046 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:19,046 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:26:19,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:19 BoogieIcfgContainer [2023-11-19 03:26:19,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:19,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:19,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:19,064 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:19,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:19" (1/1) ... [2023-11-19 03:26:19,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 03:26:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 03:26:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:26:19,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:19,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:19,632 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:26:19,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:26:19 ImpRootNode [2023-11-19 03:26:19,692 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:26:19,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:26:19,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:26:19,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:26:19,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:19" (3/4) ... [2023-11-19 03:26:19,697 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:26:19,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:26:19,699 INFO L158 Benchmark]: Toolchain (without parser) took 1700.45ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 107.7MB in the beginning and 153.2MB in the end (delta: -45.5MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-19 03:26:19,700 INFO L158 Benchmark]: CDTParser took 2.07ms. Allocated memory is still 148.9MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:19,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.20ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 95.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:26:19,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.03ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 93.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:19,703 INFO L158 Benchmark]: Boogie Preprocessor took 28.93ms. Allocated memory is still 148.9MB. Free memory was 93.6MB in the beginning and 91.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:19,703 INFO L158 Benchmark]: RCFGBuilder took 646.74ms. Allocated memory is still 148.9MB. Free memory was 91.9MB in the beginning and 66.3MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:26:19,704 INFO L158 Benchmark]: CodeCheck took 639.36ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 66.3MB in the beginning and 153.2MB in the end (delta: -86.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:19,705 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 192.9MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:19,709 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 46 NumberOfCodeBlocks, 46 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 someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someUnaryDOUBLEoperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] unsigned short int var_1_7 = 50; [L27] signed short int var_1_8 = 5; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = -100; [L30] unsigned long int var_1_12 = 10000000; [L31] unsigned short int var_1_13 = 2; [L32] unsigned short int var_1_14 = 4; [L33] double var_1_15 = 4.5; [L89] isInitial = 1 [L90] FCALL initially() [L91] int k_loop; [L92] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L92] COND TRUE k_loop < 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L66] var_1_5 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L68] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L70] var_1_6 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=5, var_1_9=256] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=256] [L74] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=256] [L75] var_1_9 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=50, var_1_8=0, var_1_9=0] [L94] RET updateVariables() [L95] CALL step() [L37] COND TRUE ! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))) [L38] var_1_7 = (var_1_9 + 1) [L40] var_1_12 = var_1_9 [L41] var_1_13 = var_1_14 [L42] var_1_15 = var_1_6 [L43] unsigned long int stepLocal_0 = var_1_12; [L44] COND FALSE !(\read(var_1_2)) [L51] var_1_1 = var_1_6 [L53] unsigned char stepLocal_1 = (var_1_6 * var_1_15) >= var_1_1; [L54] COND FALSE !(stepLocal_1 || var_1_2) [L59] var_1_10 = -1 [L95] RET step() [L96] CALL, EXPR property() [L85-L86] return (((((var_1_2 ? ((var_1_12 >= (var_1_12 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) var_1_6))) : (var_1_1 == ((double) var_1_6))) && ((! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_7 == ((unsigned short int) (var_1_9 + 1))) : 1)) && ((((var_1_6 * var_1_15) >= var_1_1) || var_1_2) ? ((var_1_6 <= var_1_1) ? (var_1_10 == ((signed long int) var_1_9)) : 1) : (var_1_10 == ((signed long int) -1)))) && (var_1_12 == ((unsigned long int) var_1_9))) && (var_1_13 == ((unsigned short int) var_1_14))) && (var_1_15 == ((double) var_1_6)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-32768, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.07ms. Allocated memory is still 148.9MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.20ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 95.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.03ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 93.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.93ms. Allocated memory is still 148.9MB. Free memory was 93.6MB in the beginning and 91.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.74ms. Allocated memory is still 148.9MB. Free memory was 91.9MB in the beginning and 66.3MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 639.36ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 66.3MB in the beginning and 153.2MB in the end (delta: -86.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 192.9MB. Free memory is still 153.2MB. 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 03:26:19,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:22,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:22,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:26:22,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:22,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:22,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:22,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:22,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:22,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:22,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:22,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:22,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:22,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:22,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:22,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:22,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:22,724 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:26:22,724 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:26:22,725 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:26:22,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:22,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:22,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:22,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:22,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:22,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:22,729 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:22,729 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:22,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:22,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:22,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:22,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:22,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:22,733 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:26:22,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:22,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:22,734 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:26:22,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:22,735 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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 [2023-11-19 03:26:23,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:23,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:23,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:23,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:23,214 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:23,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2023-11-19 03:26:26,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:26,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:26,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2023-11-19 03:26:26,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data/854909c3c/b711a1a89b6046cfb01e2e85569d0f8d/FLAG286e6ba06 [2023-11-19 03:26:26,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/data/854909c3c/b711a1a89b6046cfb01e2e85569d0f8d [2023-11-19 03:26:26,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:26,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:26,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:26,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:26,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:26,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:26" (1/1) ... [2023-11-19 03:26:26,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175b8934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:26, skipping insertion in model container [2023-11-19 03:26:26,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:26" (1/1) ... [2023-11-19 03:26:26,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:27,088 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_4a3d4770-1ecb-4dc2-872a-fd042df68cea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2023-11-19 03:26:27,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:27,188 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:27,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2023-11-19 03:26:27,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:27,280 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:27,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27 WrapperNode [2023-11-19 03:26:27,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:27,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:27,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:27,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:27,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,334 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2023-11-19 03:26:27,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:27,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:27,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:27,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:27,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:27,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:27,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:27,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:27,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:27" (1/1) ... [2023-11-19 03:26:27,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:27,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:27,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:27,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:26:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:26:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:26:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:27,611 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:27,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:34,494 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:34,601 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:34,602 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:26:34,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:34 BoogieIcfgContainer [2023-11-19 03:26:34,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:34,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:34,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:34,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:34,621 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:34" (1/1) ... [2023-11-19 03:26:34,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 03:26:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 03:26:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:26:34,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:34,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:34,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:34,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:34,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a3d4770-1ecb-4dc2-872a-fd042df68cea/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:26:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:35,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:36,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:26:36,500 INFO L285 TraceCheckSpWp]: Computing forward predicates...