./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose.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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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 cad01e5fd5f490cad060ffa4545639c9a981c8333c1ed6f02c3073a3418f2324 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:20,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:20,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:20,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:20,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:20,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:20,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:20,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:20,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:20,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:20,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:20,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:20,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:20,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:20,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:20,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:20,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:20,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:20,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:20,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:20,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:20,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:20,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:20,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:20,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:20,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:20,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:20,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:20,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:20,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:20,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:20,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:20,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:20,812 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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad01e5fd5f490cad060ffa4545639c9a981c8333c1ed6f02c3073a3418f2324 [2023-11-19 03:13:21,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:21,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:21,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:21,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:21,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:21,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/cast_union_loose.c [2023-11-19 03:13:24,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:24,507 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:24,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/sv-benchmarks/c/float-benchs/cast_union_loose.c [2023-11-19 03:13:24,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data/3f2918a4f/6f031b7652af49bb9eaa2c8180abf015/FLAGb5cc8e6b2 [2023-11-19 03:13:24,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data/3f2918a4f/6f031b7652af49bb9eaa2c8180abf015 [2023-11-19 03:13:24,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:24,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:24,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:24,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:24,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:24,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4473475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24, skipping insertion in model container [2023-11-19 03:13:24,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:24,745 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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/sv-benchmarks/c/float-benchs/cast_union_loose.c[582,595] [2023-11-19 03:13:24,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:24,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:24,789 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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/sv-benchmarks/c/float-benchs/cast_union_loose.c[582,595] [2023-11-19 03:13:24,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:24,820 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:24,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24 WrapperNode [2023-11-19 03:13:24,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:24,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:24,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:24,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:24,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,862 INFO L138 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2023-11-19 03:13:24,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:24,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:24,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:24,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:24,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:24,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:24,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:24,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:24,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:24" (1/1) ... [2023-11-19 03:13:24,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:24,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:24,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:24,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:13:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:25,122 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:25,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:25,315 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:25,510 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:25,510 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:13:25,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:25 BoogieIcfgContainer [2023-11-19 03:13:25,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:25,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:25,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:25,530 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:25,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:25" (1/1) ... [2023-11-19 03:13:25,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:13:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:13:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:13:25,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:25,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:25,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:25,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:26,025 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:13:26,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:26 ImpRootNode [2023-11-19 03:13:26,066 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:26,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:26,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:26,067 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:26,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:25" (3/4) ... [2023-11-19 03:13:26,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:13:26,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:26,072 INFO L158 Benchmark]: Toolchain (without parser) took 1537.73ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 91.8MB in the end (delta: 38.5MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-19 03:13:26,073 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:26,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.95ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 119.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:13:26,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.09ms. Allocated memory is still 161.5MB. Free memory was 119.6MB in the beginning and 117.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:26,075 INFO L158 Benchmark]: Boogie Preprocessor took 44.54ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 116.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:26,076 INFO L158 Benchmark]: RCFGBuilder took 603.06ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 112.8MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:13:26,077 INFO L158 Benchmark]: CodeCheck took 550.59ms. Allocated memory is still 161.5MB. Free memory was 112.8MB in the beginning and 92.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:13:26,077 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 161.5MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:26,081 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 13]: 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 bitwiseOr at line 26, overapproximation of someBinaryArithmeticDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 39. Possible FailurePath: [L32] int a; [L33] double r; [L35] a = __VERIFIER_nondet_int() [L36] CALL assume_abort_if_not(a >= -10000 && a <= 10000) [L11] COND FALSE !(!cond) [L36] RET assume_abort_if_not(a >= -10000 && a <= 10000) [L38] CALL, EXPR cast(a) [L22] union u x, y; [L23] x.i[0] = 0x43300000 [L24] EXPR x.i[0] [L24] y.i[0] = x.i[0] [L25] x.i[1] = 0x80000000 [L26] EXPR x.i[1] [L26] EXPR i ^ x.i[1] [L26] y.i[1] = i ^ x.i[1] [L27] EXPR y.d [L27] EXPR x.d [L27] return y.d - x.d; [L27] return y.d - x.d; [L27] return y.d - x.d; [L38] RET, EXPR cast(a) [L38] r = cast(a) [L39] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.95ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 119.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.09ms. Allocated memory is still 161.5MB. Free memory was 119.6MB in the beginning and 117.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.54ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 116.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 603.06ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 112.8MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 550.59ms. Allocated memory is still 161.5MB. Free memory was 112.8MB in the beginning and 92.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 161.5MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 2.0kB). 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 03:13:26,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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 cad01e5fd5f490cad060ffa4545639c9a981c8333c1ed6f02c3073a3418f2324 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:28,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:28,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:13:28,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:28,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:28,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:28,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:28,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:28,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:28,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:28,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:28,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:28,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:28,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:28,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:28,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:28,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:13:28,963 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:13:28,963 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:13:28,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:28,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:28,965 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:28,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:28,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:28,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:28,967 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:28,968 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:28,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:28,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:28,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:28,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:28,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:28,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:13:28,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:28,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:28,972 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:13:28,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:28,972 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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad01e5fd5f490cad060ffa4545639c9a981c8333c1ed6f02c3073a3418f2324 [2023-11-19 03:13:29,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:29,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:29,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:29,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:29,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:29,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/cast_union_loose.c [2023-11-19 03:13:32,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:32,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:32,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/sv-benchmarks/c/float-benchs/cast_union_loose.c [2023-11-19 03:13:32,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data/42f7033e7/7b96229972c144dab7d93756d135d00f/FLAG31debfa4b [2023-11-19 03:13:32,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/data/42f7033e7/7b96229972c144dab7d93756d135d00f [2023-11-19 03:13:32,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:32,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:32,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:32,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:32,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:32,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:32" (1/1) ... [2023-11-19 03:13:32,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16997a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32, skipping insertion in model container [2023-11-19 03:13:32,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:32" (1/1) ... [2023-11-19 03:13:32,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:33,143 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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/sv-benchmarks/c/float-benchs/cast_union_loose.c[582,595] [2023-11-19 03:13:33,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:33,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:33,189 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_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/sv-benchmarks/c/float-benchs/cast_union_loose.c[582,595] [2023-11-19 03:13:33,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:33,221 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:33,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33 WrapperNode [2023-11-19 03:13:33,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:33,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:33,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:33,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:33,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,282 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-19 03:13:33,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:33,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:33,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:33,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:33,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:33,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:33,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:33,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:33,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:33,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:33,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:13:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:13:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:13:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:13:33,528 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:33,531 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:33,828 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:33,932 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:33,932 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:13:33,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:33 BoogieIcfgContainer [2023-11-19 03:13:33,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:33,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:33,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:33,950 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:33,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:13:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:13:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:13:34,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:34,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:34,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:34,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:34,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4bb8b4-ba7c-4d82-b333-9318c68db6a0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:13:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:34,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat