./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi --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 942fc1721d9d68198092543c6d2644725032e77c472db86e1b213e7c4933ab1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:29,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:29,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:13:29,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:29,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:29,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:29,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:29,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:29,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:29,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:29,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:29,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:29,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:29,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:29,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:29,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:29,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:29,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:29,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:29,273 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:29,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:29,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:29,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:29,275 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:29,275 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:29,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:29,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:29,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:29,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:29,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:29,279 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:29,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:29,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:29,280 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_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 942fc1721d9d68198092543c6d2644725032e77c472db86e1b213e7c4933ab1c [2023-11-24 23:13:29,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:29,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:29,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:29,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:29,649 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:29,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i [2023-11-24 23:13:32,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:32,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:32,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i [2023-11-24 23:13:32,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data/984d7f1cc/5fcbc2c1a0ec44c9a49b7df0f2f206a0/FLAG1699eeb84 [2023-11-24 23:13:32,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data/984d7f1cc/5fcbc2c1a0ec44c9a49b7df0f2f206a0 [2023-11-24 23:13:32,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:32,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:32,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:32,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:32,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:32,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:32" (1/1) ... [2023-11-24 23:13:32,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6d2e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:32, skipping insertion in model container [2023-11-24 23:13:32,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:32" (1/1) ... [2023-11-24 23:13:33,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:33,207 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_21006300-697d-4cbc-a43b-ca5d91e067c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i[915,928] [2023-11-24 23:13:33,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:33,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:33,265 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_21006300-697d-4cbc-a43b-ca5d91e067c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i[915,928] [2023-11-24 23:13:33,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:33,295 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:33,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33 WrapperNode [2023-11-24 23:13:33,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:33,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:33,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:33,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:33,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,342 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2023-11-24 23:13:33,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:33,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:33,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:33,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:33,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:33,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:33,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:33,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:33,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:33,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:33,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:33,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:13:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:13:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:33,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:33,548 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:33,739 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:33,846 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:33,846 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:33,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:33 BoogieIcfgContainer [2023-11-24 23:13:33,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:33,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:33,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:33,860 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:33,861 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:33" (1/1) ... [2023-11-24 23:13:33,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-24 23:13:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-24 23:13:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:13:33,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:33,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:34,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:34,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:34,346 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:34,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:34 ImpRootNode [2023-11-24 23:13:34,383 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:34,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:34,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:34,384 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:34,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:33" (3/4) ... [2023-11-24 23:13:34,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:34,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:34,390 INFO L158 Benchmark]: Toolchain (without parser) took 1427.42ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 50.6MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:34,390 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:34,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.44ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 88.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:34,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.02ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:34,393 INFO L158 Benchmark]: Boogie Preprocessor took 42.62ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 85.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:34,393 INFO L158 Benchmark]: RCFGBuilder took 461.35ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 70.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:13:34,394 INFO L158 Benchmark]: CodeCheck took 534.00ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 51.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:34,395 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 596.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:34,399 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, 19 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 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 36, overapproximation of someUnaryDOUBLEoperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.742; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] double var_1_4 = 1.625; [L26] double var_1_5 = 8.25; [L65] isInitial = 1 [L66] FCALL initially() [L67] COND TRUE 1 [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=371/500, var_1_3=0, var_1_4=13/8, var_1_5=33/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=371/500, var_1_3=0, var_1_4=13/8, var_1_5=33/4] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=0, var_1_4=13/8, var_1_5=33/4] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=0, var_1_4=13/8, var_1_5=33/4] [L50] var_1_3 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=371/500, var_1_2=0, var_1_4=13/8, var_1_5=33/4] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=371/500, var_1_2=0, var_1_4=13/8, var_1_5=33/4] [L52] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=1, var_1_4=13/8, var_1_5=33/4] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=1, var_1_4=13/8, var_1_5=33/4] [L53] var_1_4 = __VERIFIER_nondet_double() [L54] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=1, var_1_5=33/4] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=1, var_1_5=33/4] [L55] var_1_5 = __VERIFIER_nondet_double() [L56] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=1] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=371/500, var_1_2=0, var_1_3=1] [L69] RET updateVariables() [L70] CALL step() [L30] COND FALSE !(\read(var_1_2)) [L43] var_1_1 = var_1_5 [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return var_1_2 ? ((! var_1_3) ? (var_1_3 ? (var_1_1 == ((double) ((((var_1_4) < (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) ? (var_1_4) : (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))))) : 1) : ((var_1_5 <= var_1_4) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) 199.5)))) : (var_1_1 == ((double) var_1_5)) ; [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.44ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 88.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.02ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.62ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 85.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.35ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 70.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 534.00ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 51.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 596.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:13:34,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/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_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi --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 942fc1721d9d68198092543c6d2644725032e77c472db86e1b213e7c4933ab1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:37,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:37,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:13:37,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:37,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:37,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:37,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:37,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:37,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:37,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:37,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:37,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:37,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:37,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:37,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:37,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:37,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:37,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:37,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:37,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:37,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:37,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:37,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:37,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:37,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:37,393 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:37,394 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:37,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:37,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:37,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:37,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:37,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:37,397 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:37,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:37,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:37,398 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:37,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:37,398 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_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 942fc1721d9d68198092543c6d2644725032e77c472db86e1b213e7c4933ab1c [2023-11-24 23:13:37,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:37,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:37,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:37,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:37,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:37,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i [2023-11-24 23:13:40,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:41,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:41,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i [2023-11-24 23:13:41,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data/415fd24be/5ccf7dc2cbaf46bb991173df186ce329/FLAG39ddbe364 [2023-11-24 23:13:41,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/data/415fd24be/5ccf7dc2cbaf46bb991173df186ce329 [2023-11-24 23:13:41,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:41,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:41,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:41,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:41,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:41,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78683a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41, skipping insertion in model container [2023-11-24 23:13:41,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:41,437 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_21006300-697d-4cbc-a43b-ca5d91e067c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i[915,928] [2023-11-24 23:13:41,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:41,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:41,496 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_21006300-697d-4cbc-a43b-ca5d91e067c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-25.i[915,928] [2023-11-24 23:13:41,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:41,536 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:41,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41 WrapperNode [2023-11-24 23:13:41,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:41,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:41,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:41,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:41,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,614 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2023-11-24 23:13:41,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:41,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:41,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:41,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:41,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:41,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:41,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:41,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:41,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:41" (1/1) ... [2023-11-24 23:13:41,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:41,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:41,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:41,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:13:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:13:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:41,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:41,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:42,176 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:42,276 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:42,277 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:42,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:42 BoogieIcfgContainer [2023-11-24 23:13:42,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:42,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:42,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:42,292 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:42,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:42" (1/1) ... [2023-11-24 23:13:42,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-24 23:13:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-24 23:13:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:13:42,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:42,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:42,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:42,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:42,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:42,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:13:42,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 23:14:07,037 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:14:07,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:14:07,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 44 transitions. [2023-11-24 23:14:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-24 23:14:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:14:07,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:07,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:07,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:14:07,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:07,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21006300-697d-4cbc-a43b-ca5d91e067c3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:14:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:08,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:14:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:08,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:14:08,513 INFO L285 TraceCheckSpWp]: Computing forward predicates...