./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk --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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:09:38,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:09:38,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:09:38,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:09:38,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:09:38,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:09:38,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:09:38,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:09:38,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:09:38,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:09:38,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:09:38,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:09:38,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:09:38,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:09:38,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:09:38,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:09:38,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:09:38,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:09:38,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:09:38,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:09:38,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:09:38,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:09:38,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:09:38,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:09:38,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:09:38,681 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:09:38,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:09:38,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:38,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:09:38,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:09:38,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:09:38,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:09:38,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:09:38,684 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2024-11-08 22:09:38,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:09:38,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:09:38,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:09:38,967 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:09:38,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:09:38,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 22:09:41,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:09:41,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:09:41,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-08 22:09:41,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data/8aa7fd4fc/b2a323aa3aff4061ab3ccda0cc53a727/FLAG9556c3637 [2024-11-08 22:09:41,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data/8aa7fd4fc/b2a323aa3aff4061ab3ccda0cc53a727 [2024-11-08 22:09:41,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:09:41,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:09:41,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:41,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:09:41,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:09:41,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:41" (1/1) ... [2024-11-08 22:09:41,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d339420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:41, skipping insertion in model container [2024-11-08 22:09:41,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:41" (1/1) ... [2024-11-08 22:09:41,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:09:42,404 WARN L1698 CHandler]: Possible shadowing of function y1 [2024-11-08 22:09:42,405 WARN L250 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-08 22:09:42,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:42,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:09:42,472 WARN L1698 CHandler]: Possible shadowing of function y1 [2024-11-08 22:09:42,473 WARN L250 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-08 22:09:42,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:42,583 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:09:42,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42 WrapperNode [2024-11-08 22:09:42,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:42,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:42,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:09:42,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:09:42,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,648 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-08 22:09:42,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:42,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:09:42,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:09:42,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:09:42,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:09:42,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:09:42,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:09:42,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:09:42,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:42,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:09:42,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:09:42,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:09:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:09:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:09:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:09:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:09:42,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:09:42,867 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:09:42,926 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-08 22:09:42,926 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:09:42,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:09:42,972 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:09:42,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:42 BoogieIcfgContainer [2024-11-08 22:09:42,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:09:42,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:09:42,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:09:42,985 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:09:42,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:42" (1/1) ... [2024-11-08 22:09:42,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:09:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:09:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:09:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:09:43,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:43,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:09:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:43,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:09:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:43,212 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:09:43,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:09:43 ImpRootNode [2024-11-08 22:09:43,227 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:09:43,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:09:43,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:09:43,228 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:09:43,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:42" (3/4) ... [2024-11-08 22:09:43,231 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:09:43,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:09:43,233 INFO L158 Benchmark]: Toolchain (without parser) took 1606.74ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 115.7MB in the end (delta: 17.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-08 22:09:43,234 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:43,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.36ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 73.1MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-08 22:09:43,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.09ms. Allocated memory is still 169.9MB. Free memory was 73.1MB in the beginning and 136.1MB in the end (delta: -63.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-08 22:09:43,235 INFO L158 Benchmark]: Boogie Preprocessor took 34.53ms. Allocated memory is still 169.9MB. Free memory was 136.1MB in the beginning and 138.8MB in the end (delta: -2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:09:43,236 INFO L158 Benchmark]: RCFGBuilder took 287.93ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 127.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:09:43,237 INFO L158 Benchmark]: CodeCheck took 253.63ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 115.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:09:43,237 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 169.9MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:43,240 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 3 NumberOfCodeBlocks, 3 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: 852]: 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 logf at line 850, overapproximation of someBinaryFLOATComparisonOperation at line 852, overapproximation of someBinaryArithmeticFLOAToperation at line 848. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-5f; [L849] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f))) [L850] float y1 = logf(x1); [L851] float y2 = logf(x2); [L852] COND TRUE !(__builtin_islessequal(y1, y2)) [L852] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.36ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 73.1MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.09ms. Allocated memory is still 169.9MB. Free memory was 73.1MB in the beginning and 136.1MB in the end (delta: -63.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.53ms. Allocated memory is still 169.9MB. Free memory was 136.1MB in the beginning and 138.8MB in the end (delta: -2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 287.93ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 127.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 253.63ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 115.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 169.9MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:09:43,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk --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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:09:45,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:09:45,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:09:45,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:09:45,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:09:45,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:09:45,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:09:45,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:09:45,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:09:45,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:09:45,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:09:45,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:09:45,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:09:45,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:09:45,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:09:45,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:09:45,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:09:45,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:09:45,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:09:45,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:09:45,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:09:45,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:09:45,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:09:45,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:09:45,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:09:45,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:09:45,990 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:45,991 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:09:45,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:09:45,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:45,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:09:45,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:09:45,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:09:45,994 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:09:45,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:45,995 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:09:45,995 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2024-11-08 22:09:46,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:09:46,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:09:46,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:09:46,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:09:46,449 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:09:46,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 22:09:48,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:09:48,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:09:48,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-08 22:09:48,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data/bb73f1fe6/df5657820352464e9c76d327369e6ff0/FLAGa8514c3c5 [2024-11-08 22:09:49,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/data/bb73f1fe6/df5657820352464e9c76d327369e6ff0 [2024-11-08 22:09:49,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:09:49,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:09:49,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:49,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:09:49,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:09:49,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:49" (1/1) ... [2024-11-08 22:09:49,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f875b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:49, skipping insertion in model container [2024-11-08 22:09:49,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:49" (1/1) ... [2024-11-08 22:09:49,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:09:49,978 WARN L1698 CHandler]: Possible shadowing of function y1 [2024-11-08 22:09:49,979 WARN L250 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-08 22:09:49,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:49,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:09:50,047 WARN L1698 CHandler]: Possible shadowing of function y1 [2024-11-08 22:09:50,048 WARN L250 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_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-08 22:09:50,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:50,214 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:09:50,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50 WrapperNode [2024-11-08 22:09:50,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:50,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:50,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:09:50,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:09:50,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,301 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-08 22:09:50,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:50,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:09:50,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:09:50,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:09:50,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:09:50,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:09:50,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:09:50,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:09:50,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:50,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:09:50,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:09:50,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:09:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:09:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:09:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:09:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:09:50,541 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:09:50,543 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:09:50,721 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 22:09:50,722 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:09:50,827 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:09:50,828 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:09:50,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:50 BoogieIcfgContainer [2024-11-08 22:09:50,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:09:50,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:09:50,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:09:50,841 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:09:50,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:50" (1/1) ... [2024-11-08 22:09:50,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:09:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:09:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:09:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:09:50,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:50,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:50,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:50,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:50,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60f2d65e-4e1c-4eb5-b473-9fd596e124aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:09:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:51,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:09:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat