./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/loop-1.c --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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/loop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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 1b0545f8921a3072195050599e45eb6fe3a423f5bd887720e0418c3666aaad9b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:03,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:03,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:33:03,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:33:03,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:33:03,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:03,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:03,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:03,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:03,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:03,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:03,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:03,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:03,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:33:03,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:03,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:03,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:03,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:03,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:03,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:03,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:03,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:03,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:03,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:03,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:03,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:03,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:03,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:03,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:03,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:03,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:33:03,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:33:03,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:03,955 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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b0545f8921a3072195050599e45eb6fe3a423f5bd887720e0418c3666aaad9b [2023-11-19 03:33:04,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:04,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:04,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:04,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:04,310 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:04,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/loop-1.c [2023-11-19 03:33:07,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:08,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:08,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/sv-benchmarks/c/float-benchs/loop-1.c [2023-11-19 03:33:08,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data/90f87cbb6/572cd22cb1bb4658bb3ca11eb4b0a581/FLAG1c74523d8 [2023-11-19 03:33:08,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data/90f87cbb6/572cd22cb1bb4658bb3ca11eb4b0a581 [2023-11-19 03:33:08,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:08,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:08,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:08,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:08,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:08,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292e24f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08, skipping insertion in model container [2023-11-19 03:33:08,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:08,369 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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/sv-benchmarks/c/float-benchs/loop-1.c[311,324] [2023-11-19 03:33:08,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:08,393 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:08,404 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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/sv-benchmarks/c/float-benchs/loop-1.c[311,324] [2023-11-19 03:33:08,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:08,424 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:08,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08 WrapperNode [2023-11-19 03:33:08,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:08,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:08,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:08,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:08,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,463 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-19 03:33:08,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:08,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:08,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:08,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:08,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:08,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:08,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:08,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:08,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:08,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:08,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:08,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:08,666 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:08,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:08,784 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:08,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:08,820 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:33:08,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:08 BoogieIcfgContainer [2023-11-19 03:33:08,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:08,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:08,828 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:08,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:08,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:08" (1/1) ... [2023-11-19 03:33:08,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:33:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:33:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:33:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:33:08,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:08,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:33:09,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:33:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:33:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:33:09,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:33:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:33:09,160 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:33:09,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:33:09 ImpRootNode [2023-11-19 03:33:09,199 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:33:09,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:33:09,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:33:09,203 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:33:09,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:08" (3/4) ... [2023-11-19 03:33:09,207 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:33:09,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:33:09,212 INFO L158 Benchmark]: Toolchain (without parser) took 1056.20ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 87.3MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,213 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:09,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.36ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 111.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.00ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 110.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,218 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 151.0MB. Free memory was 110.4MB in the beginning and 109.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:09,219 INFO L158 Benchmark]: RCFGBuilder took 330.00ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 99.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,221 INFO L158 Benchmark]: CodeCheck took 371.94ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 87.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,222 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 87.3MB in the end (delta: 541.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:09,234 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 4 NumberOfCodeBlocks, 4 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: 4]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L8] float x, y, z; [L10] x = 1.f [L11] y = 1e7 [L12] z = 42.f VAL [x=1, y=10000000, z=42] [L14] COND FALSE !(x < y) [L20] CALL __VERIFIER_assert(z >= 0.f && z <= 1e8) [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.36ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 111.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.00ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 110.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 151.0MB. Free memory was 110.4MB in the beginning and 109.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.00ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 99.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 371.94ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 87.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 87.3MB in the end (delta: 541.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:33:09,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/loop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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 1b0545f8921a3072195050599e45eb6fe3a423f5bd887720e0418c3666aaad9b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:33:12,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:33:12,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:33:12,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:33:12,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:33:12,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:33:12,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:33:12,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:33:12,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:33:12,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:33:12,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:33:12,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:33:12,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:33:12,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:33:12,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:33:12,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:33:12,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:33:12,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:33:12,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:33:12,481 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:33:12,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:33:12,482 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:33:12,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:33:12,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:33:12,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:33:12,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:12,484 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:33:12,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:33:12,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:12,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:33:12,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:33:12,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:33:12,488 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:33:12,488 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:12,488 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:33:12,489 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:33:12,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:33:12,489 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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b0545f8921a3072195050599e45eb6fe3a423f5bd887720e0418c3666aaad9b [2023-11-19 03:33:12,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:33:12,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:33:12,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:33:12,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:33:12,991 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:33:12,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/loop-1.c [2023-11-19 03:33:16,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:16,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:16,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/sv-benchmarks/c/float-benchs/loop-1.c [2023-11-19 03:33:16,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data/3bc1f86d7/7b458244b2a84ec9bd75c5ac1c0e0edd/FLAG05a513d1d [2023-11-19 03:33:16,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/data/3bc1f86d7/7b458244b2a84ec9bd75c5ac1c0e0edd [2023-11-19 03:33:16,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:16,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:16,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:16,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:16,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:16,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:16" (1/1) ... [2023-11-19 03:33:16,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef44fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:16, skipping insertion in model container [2023-11-19 03:33:16,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:16" (1/1) ... [2023-11-19 03:33:16,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:16,982 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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/sv-benchmarks/c/float-benchs/loop-1.c[311,324] [2023-11-19 03:33:17,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:17,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:17,051 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_201f2de8-70a0-4ef9-bd0a-50a6010548e3/sv-benchmarks/c/float-benchs/loop-1.c[311,324] [2023-11-19 03:33:17,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:17,084 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:17,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17 WrapperNode [2023-11-19 03:33:17,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:17,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:17,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:17,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:17,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,138 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2023-11-19 03:33:17,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:17,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:17,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:17,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:17,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:17,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:17,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:17,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:17,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:17" (1/1) ... [2023-11-19 03:33:17,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:17,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:17,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:17,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:17,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:33:17,433 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:17,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:18,426 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:18,468 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:18,468 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:33:18,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:18 BoogieIcfgContainer [2023-11-19 03:33:18,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:18,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:18,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:18,488 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:18,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:18" (1/1) ... [2023-11-19 03:33:18,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:33:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:33:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:33:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:33:18,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:18,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:18,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:33:18,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:33:18,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:33:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:33:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:33:18,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:18,966 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:33:18,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:33:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 03:33:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 03:33:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:33:20,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:20,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:20,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:33:20,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:33:20,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:33:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:20,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:33:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:21,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:21,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:21,377 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:33:21,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:33:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 03:33:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 03:33:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:33:24,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:24,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:33:24,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:33:24,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:33:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:25,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:33:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:26,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:33:26,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:27,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:33:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2023-11-19 03:33:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2023-11-19 03:33:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:33:43,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:43,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:33:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:33:43,013 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:33:43,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:33:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:43,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:33:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:46,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:33:46,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:49,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_201f2de8-70a0-4ef9-bd0a-50a6010548e3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:34:05,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]