./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test30-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/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_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test30-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/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_15e9159a-693d-4629-9aa0-390fcc1a09b6/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 153e0ba078e70e495115e12774ba4ffa7f132da5fa3a0d4a5d0df94079ed38d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:41,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:41,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:04:41,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:41,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:41,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:41,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:41,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:41,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:41,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:41,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:41,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:41,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:41,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:41,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:41,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:41,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:41,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:41,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:41,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:41,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:41,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:41,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:41,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:41,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:41,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:41,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:41,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:41,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:41,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:41,776 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:41,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:41,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:41,778 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_15e9159a-693d-4629-9aa0-390fcc1a09b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153e0ba078e70e495115e12774ba4ffa7f132da5fa3a0d4a5d0df94079ed38d6 [2023-11-19 03:04:42,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:42,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:42,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:42,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:42,125 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:42,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-regression/test30-1.c [2023-11-19 03:04:45,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:45,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:45,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/sv-benchmarks/c/ldv-regression/test30-1.c [2023-11-19 03:04:45,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/data/fc59598db/185de5364f9549e0ae49918edf835937/FLAG851ed5131 [2023-11-19 03:04:45,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/data/fc59598db/185de5364f9549e0ae49918edf835937 [2023-11-19 03:04:45,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:45,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:45,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:45,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:45,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:45,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186411ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45, skipping insertion in model container [2023-11-19 03:04:45,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,696 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:45,848 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_15e9159a-693d-4629-9aa0-390fcc1a09b6/sv-benchmarks/c/ldv-regression/test30-1.c[560,573] [2023-11-19 03:04:45,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:45,862 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:45,877 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_15e9159a-693d-4629-9aa0-390fcc1a09b6/sv-benchmarks/c/ldv-regression/test30-1.c[560,573] [2023-11-19 03:04:45,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:45,899 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:45,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45 WrapperNode [2023-11-19 03:04:45,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:45,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:45,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:45,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:45,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,936 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-11-19 03:04:45,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:45,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:45,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:45,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:45,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:45,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:45,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:45,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:45,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:45" (1/1) ... [2023-11-19 03:04:45,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:45,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:45,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:46,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:04:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:04:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:04:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:04:46,121 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:46,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:46,243 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:46,372 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:46,372 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:04:46,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:46 BoogieIcfgContainer [2023-11-19 03:04:46,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:46,380 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:46,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:46,391 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:46,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:46" (1/1) ... [2023-11-19 03:04:46,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:04:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:04:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:04:46,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:46,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-11-19 03:04:47,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-11-19 03:04:47,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:04:47,095 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 03:04:47,119 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:04:47,127 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:47,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:04:47 ImpRootNode [2023-11-19 03:04:47,131 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:04:47,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:04:47,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:04:47,132 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:04:47,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:46" (3/4) ... [2023-11-19 03:04:47,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:04:47,144 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:04:47,144 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:04:47,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:04:47,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:04:47,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:04:47,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:04:47,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:04:47,252 INFO L158 Benchmark]: Toolchain (without parser) took 1595.32ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 151.8MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:47,252 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 79.4MB in the beginning and 79.2MB in the end (delta: 127.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:47,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.43ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 130.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:04:47,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.29ms. Allocated memory is still 188.7MB. Free memory was 130.6MB in the beginning and 129.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:47,262 INFO L158 Benchmark]: Boogie Preprocessor took 23.95ms. Allocated memory is still 188.7MB. Free memory was 129.2MB in the beginning and 127.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:47,263 INFO L158 Benchmark]: RCFGBuilder took 417.57ms. Allocated memory is still 188.7MB. Free memory was 127.9MB in the beginning and 109.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:04:47,263 INFO L158 Benchmark]: CodeCheck took 750.98ms. Allocated memory is still 188.7MB. Free memory was 109.7MB in the beginning and 156.3MB in the end (delta: -46.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-11-19 03:04:47,264 INFO L158 Benchmark]: Witness Printer took 119.07ms. Allocated memory is still 188.7MB. Free memory was 156.3MB in the beginning and 151.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:04:47,266 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 33]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 79.4MB in the beginning and 79.2MB in the end (delta: 127.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.43ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 130.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.29ms. Allocated memory is still 188.7MB. Free memory was 130.6MB in the beginning and 129.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.95ms. Allocated memory is still 188.7MB. Free memory was 129.2MB in the beginning and 127.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.57ms. Allocated memory is still 188.7MB. Free memory was 127.9MB in the beginning and 109.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 750.98ms. Allocated memory is still 188.7MB. Free memory was 109.7MB in the beginning and 156.3MB in the end (delta: -46.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 119.07ms. Allocated memory is still 188.7MB. Free memory was 156.3MB in the beginning and 151.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:04:47,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e9159a-693d-4629-9aa0-390fcc1a09b6/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE