./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/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_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/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_cfbadb58-f2e4-4146-9ab7-79a875d3f435/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 09fd8ad5e54d1afc3814e92f6e6cffe14c4c03bf07046bb5361cfba68e0dc394 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:33,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:33,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:58:33,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:33,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:33,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:33,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:33,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:33,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:33,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:33,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:33,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:33,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:33,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:33,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:33,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:33,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:33,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:33,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:33,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:33,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:33,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:33,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:33,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:33,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:33,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:33,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:33,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:33,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:33,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:33,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:33,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:33,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:33,367 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_cfbadb58-f2e4-4146-9ab7-79a875d3f435/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09fd8ad5e54d1afc3814e92f6e6cffe14c4c03bf07046bb5361cfba68e0dc394 [2023-11-19 03:58:33,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:33,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:33,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:33,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:33,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:33,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c [2023-11-19 03:58:36,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:37,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:37,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c [2023-11-19 03:58:37,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/data/a68546718/7c9e2ea39479408d9467918e323256f8/FLAGaf8ad2961 [2023-11-19 03:58:37,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/data/a68546718/7c9e2ea39479408d9467918e323256f8 [2023-11-19 03:58:37,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:37,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:37,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:37,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:37,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:37,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cdbf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37, skipping insertion in model container [2023-11-19 03:58:37,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:37,275 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_cfbadb58-f2e4-4146-9ab7-79a875d3f435/sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c[739,752] [2023-11-19 03:58:37,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:37,300 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:37,312 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_cfbadb58-f2e4-4146-9ab7-79a875d3f435/sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c[739,752] [2023-11-19 03:58:37,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:37,335 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:37,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37 WrapperNode [2023-11-19 03:58:37,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:37,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:37,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:37,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:37,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,368 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-19 03:58:37,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:37,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:37,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:37,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:37,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:37,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:37,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:37,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:37,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:37,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:37,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:37,526 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:37,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:37,647 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:37,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:37,702 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:58:37,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:37 BoogieIcfgContainer [2023-11-19 03:58:37,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:37,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:37,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:37,722 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:37,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:37" (1/1) ... [2023-11-19 03:58:37,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:58:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:58:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:58:37,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:37,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:37,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:38,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:38,079 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:58:38,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:38 ImpRootNode [2023-11-19 03:58:38,142 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:38,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:38,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:38,145 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:38,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:37" (3/4) ... [2023-11-19 03:58:38,149 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:58:38,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:58:38,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:38,245 INFO L158 Benchmark]: Toolchain (without parser) took 1161.21ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 92.6MB in the beginning and 170.6MB in the end (delta: -78.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:38,245 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:38,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.23ms. Allocated memory is still 138.4MB. Free memory was 92.2MB in the beginning and 81.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:58:38,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.04ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:38,249 INFO L158 Benchmark]: Boogie Preprocessor took 20.64ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 865.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:38,249 INFO L158 Benchmark]: RCFGBuilder took 316.46ms. Allocated memory is still 138.4MB. Free memory was 78.9MB in the beginning and 67.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:58:38,250 INFO L158 Benchmark]: CodeCheck took 433.35ms. Allocated memory is still 138.4MB. Free memory was 67.4MB in the beginning and 108.3MB in the end (delta: -40.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:38,250 INFO L158 Benchmark]: Witness Printer took 99.96ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 108.2MB in the beginning and 170.6MB in the end (delta: -62.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:38,259 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int x = 1; [L24] unsigned int y = 0; [L27] COND TRUE y < (1024) [L28] long long int y__VERIFIER_LA_tmp0; [L29] EXPR y__VERIFIER_LA_tmp0 = y [L30] long long int __VERIFIER_LA_iterations0; [L31] EXPR __VERIFIER_LA_iterations0 = (1024 - y__VERIFIER_LA_tmp0) / 1L [L32] unsigned int x__VERIFIER_LA_old_tmp0; [L33] EXPR x__VERIFIER_LA_old_tmp0 = x [L34] EXPR x = (__VERIFIER_LA_iterations0 * 0L) + (x__VERIFIER_LA_old_tmp0 * 0) + 0 [L35] unsigned int y__VERIFIER_LA_old_tmp0; [L36] EXPR y__VERIFIER_LA_old_tmp0 = y [L37] EXPR y = (__VERIFIER_LA_iterations0 * 1L) + y__VERIFIER_LA_old_tmp0 [L27-L38] { long long int y__VERIFIER_LA_tmp0; y__VERIFIER_LA_tmp0 = y; long long int __VERIFIER_LA_iterations0; __VERIFIER_LA_iterations0 = (1024 - y__VERIFIER_LA_tmp0) / 1L; unsigned int x__VERIFIER_LA_old_tmp0; x__VERIFIER_LA_old_tmp0 = x; x = (__VERIFIER_LA_iterations0 * 0L) + (x__VERIFIER_LA_old_tmp0 * 0) + 0; unsigned int y__VERIFIER_LA_old_tmp0; y__VERIFIER_LA_old_tmp0 = y; y = (__VERIFIER_LA_iterations0 * 1L) + y__VERIFIER_LA_old_tmp0; } [L41] CALL __VERIFIER_assert(x == 1) [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L17] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.23ms. Allocated memory is still 138.4MB. Free memory was 92.2MB in the beginning and 81.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.04ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.64ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 865.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.46ms. Allocated memory is still 138.4MB. Free memory was 78.9MB in the beginning and 67.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 433.35ms. Allocated memory is still 138.4MB. Free memory was 67.4MB in the beginning and 108.3MB in the end (delta: -40.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Witness Printer took 99.96ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 108.2MB in the beginning and 170.6MB in the end (delta: -62.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:58:38,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbadb58-f2e4-4146-9ab7-79a875d3f435/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE