./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9 --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 64bit --witnessprinter.graph.data.programhash 6941340a217c21b00eedda9dba2fb93b4ff9d5189cb3951c1318a65ece342f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:56:39,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:56:39,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:56:39,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:56:39,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:56:39,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:56:39,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:56:39,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:56:39,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:56:39,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:56:39,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:56:39,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:56:39,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:56:39,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:56:39,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:56:39,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:56:39,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:56:39,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:56:39,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:56:39,375 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:56:39,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:56:39,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:56:39,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:56:39,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:39,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:56:39,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:56:39,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:56:39,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:56:39,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:56:39,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:56:39,383 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6941340a217c21b00eedda9dba2fb93b4ff9d5189cb3951c1318a65ece342f1e [2023-12-02 22:56:39,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:56:39,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:56:39,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:56:39,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:56:39,614 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:56:39,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c [2023-12-02 22:56:42,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:56:42,668 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:56:42,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c [2023-12-02 22:56:42,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data/5de6decf5/16dc68a106e341f1896087449493748b/FLAG026c2cb01 [2023-12-02 22:56:42,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data/5de6decf5/16dc68a106e341f1896087449493748b [2023-12-02 22:56:42,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:56:42,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:56:42,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:42,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:56:42,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:56:42,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:42" (1/1) ... [2023-12-02 22:56:42,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e57666e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:42, skipping insertion in model container [2023-12-02 22:56:42,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:42" (1/1) ... [2023-12-02 22:56:42,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:56:42,883 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c[1266,1279] [2023-12-02 22:56:42,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:42,996 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:56:43,008 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c[1266,1279] [2023-12-02 22:56:43,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:43,087 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:56:43,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43 WrapperNode [2023-12-02 22:56:43,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:43,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:43,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:56:43,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:56:43,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,218 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2023-12-02 22:56:43,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:43,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:56:43,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:56:43,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:56:43,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:43,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:43,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:43,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:43,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:43" (1/1) ... [2023-12-02 22:56:43,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:43,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:43,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:43,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:56:43,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:43,527 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:43,529 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:44,147 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:44,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:44,879 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:44,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:44 BoogieIcfgContainer [2023-12-02 22:56:44,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:44,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:44,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:44,891 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:44,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:44" (1/1) ... [2023-12-02 22:56:44,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:56:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:56:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:56:44,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:45,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:45,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:45,858 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:56:45,889 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 22:56:45,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:56:45 ImpRootNode [2023-12-02 22:56:45,899 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:56:45,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:56:45,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:56:45,900 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:56:45,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:44" (3/4) ... [2023-12-02 22:56:45,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:56:45,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:56:45,906 INFO L158 Benchmark]: Toolchain (without parser) took 3210.35ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 121.7MB in the beginning and 144.9MB in the end (delta: -23.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-12-02 22:56:45,906 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:45,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.94ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 100.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:56:45,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.69ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 130.1MB in the end (delta: -29.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-12-02 22:56:45,908 INFO L158 Benchmark]: Boogie Preprocessor took 88.24ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 124.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:56:45,909 INFO L158 Benchmark]: RCFGBuilder took 1573.43ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 124.0MB in the beginning and 126.3MB in the end (delta: -2.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:45,910 INFO L158 Benchmark]: CodeCheck took 1016.76ms. Allocated memory is still 209.7MB. Free memory was 126.3MB in the beginning and 146.0MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:45,910 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 209.7MB. Free memory was 146.0MB in the beginning and 144.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:56:45,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: 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 162, overapproximation of bitwiseAnd at line 147. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 4); [L36] const SORT_32 msb_SORT_32 = (SORT_32)1 << (4 - 1); [L38] const SORT_70 mask_SORT_70 = (SORT_70)-1 >> (sizeof(SORT_70) * 8 - 10); [L39] const SORT_70 msb_SORT_70 = (SORT_70)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 0; [L43] const SORT_1 var_22 = 1; [L44] const SORT_70 var_71 = 0; [L45] const SORT_10 var_95 = 104; [L46] const SORT_10 var_143 = 1; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_30; [L53] SORT_32 input_33; [L54] SORT_1 input_35; [L55] SORT_32 input_37; [L56] SORT_1 input_39; [L57] SORT_1 input_41; [L58] SORT_1 input_47; [L59] SORT_1 input_49; [L60] SORT_1 input_51; [L61] SORT_3 input_55; [L62] SORT_1 input_58; [L63] SORT_1 input_66; [L64] SORT_1 input_75; [L65] SORT_1 input_77; [L66] SORT_1 input_89; [L67] SORT_1 input_90; [L68] SORT_1 input_91; [L69] SORT_1 input_105; [L70] SORT_1 input_111; [L71] SORT_1 input_117; [L72] SORT_1 input_123; [L73] SORT_1 input_124; [L74] SORT_1 input_125; [L75] SORT_70 input_141; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_ushort() & mask_SORT_70 [L88] SORT_70 state_72 = __VERIFIER_nondet_ushort() & mask_SORT_70; [L90] SORT_1 init_9_arg_1 = var_7; [L91] state_8 = init_9_arg_1 [L92] SORT_1 init_16_arg_1 = var_7; [L93] state_15 = init_16_arg_1 [L94] SORT_1 init_27_arg_1 = var_7; [L95] state_26 = init_27_arg_1 [L96] SORT_1 init_29_arg_1 = var_7; [L97] state_28 = init_29_arg_1 [L98] SORT_1 init_44_arg_1 = var_7; [L99] state_43 = init_44_arg_1 [L100] SORT_1 init_46_arg_1 = var_7; [L101] state_45 = init_46_arg_1 [L102] SORT_1 init_54_arg_1 = var_22; [L103] state_53 = init_54_arg_1 [L104] SORT_1 init_61_arg_1 = var_7; [L105] state_60 = init_61_arg_1 [L106] SORT_1 init_63_arg_1 = var_7; [L107] state_62 = init_63_arg_1 [L108] SORT_1 init_65_arg_1 = var_7; [L109] state_64 = init_65_arg_1 [L110] SORT_1 init_69_arg_1 = var_7; [L111] state_68 = init_69_arg_1 [L112] SORT_70 init_73_arg_1 = var_71; [L113] state_72 = init_73_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_54_arg_1=1, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_73_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_32=15, mask_SORT_3=255, mask_SORT_70=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_32=8, msb_SORT_3=128, msb_SORT_70=512, state_15=0, state_26=0, state_28=0, state_43=0, state_45=0, state_53=1, state_60=0, state_62=0, state_64=0, state_68=0, state_72=0, state_8=0, var_12=0, var_143=1, var_22=1, var_71=0, var_7=0, var_95=104] [L116] input_2 = __VERIFIER_nondet_uchar() [L117] input_4 = __VERIFIER_nondet_uchar() [L118] input_5 = __VERIFIER_nondet_uchar() [L119] input_6 = __VERIFIER_nondet_uchar() [L120] input_30 = __VERIFIER_nondet_uchar() [L121] input_33 = __VERIFIER_nondet_uchar() [L122] input_35 = __VERIFIER_nondet_uchar() [L123] input_37 = __VERIFIER_nondet_uchar() [L124] input_39 = __VERIFIER_nondet_uchar() [L125] input_41 = __VERIFIER_nondet_uchar() [L126] input_47 = __VERIFIER_nondet_uchar() [L127] input_49 = __VERIFIER_nondet_uchar() [L128] input_51 = __VERIFIER_nondet_uchar() [L129] input_55 = __VERIFIER_nondet_uchar() [L130] input_58 = __VERIFIER_nondet_uchar() [L131] input_66 = __VERIFIER_nondet_uchar() [L132] input_75 = __VERIFIER_nondet_uchar() [L133] input_77 = __VERIFIER_nondet_uchar() [L134] input_89 = __VERIFIER_nondet_uchar() [L135] input_90 = __VERIFIER_nondet_uchar() [L136] input_91 = __VERIFIER_nondet_uchar() [L137] input_105 = __VERIFIER_nondet_uchar() [L138] input_111 = __VERIFIER_nondet_uchar() [L139] input_117 = __VERIFIER_nondet_uchar() [L140] input_123 = __VERIFIER_nondet_uchar() [L141] input_124 = __VERIFIER_nondet_uchar() [L142] input_125 = __VERIFIER_nondet_uchar() [L143] input_141 = __VERIFIER_nondet_ushort() [L146] SORT_1 var_11_arg_0 = state_8; [L147] EXPR var_11_arg_0 & mask_SORT_1 [L147] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L148] SORT_10 var_11 = var_11_arg_0; [L149] SORT_10 var_13_arg_0 = var_11; [L150] SORT_10 var_13_arg_1 = var_12; [L151] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L152] SORT_1 var_14_arg_0 = var_13; [L153] SORT_1 var_14 = ~var_14_arg_0; [L154] SORT_1 var_17_arg_0 = state_15; [L155] EXPR var_17_arg_0 & mask_SORT_1 [L155] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L156] SORT_10 var_17 = var_17_arg_0; [L157] SORT_10 var_18_arg_0 = var_17; [L158] SORT_10 var_18_arg_1 = var_12; [L159] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L160] SORT_1 var_19_arg_0 = var_14; [L161] SORT_1 var_19_arg_1 = var_18; [L162] EXPR var_19_arg_0 | var_19_arg_1 [L162] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L163] SORT_1 var_23_arg_0 = var_19; [L164] SORT_1 var_23 = ~var_23_arg_0; [L165] SORT_1 var_24_arg_0 = var_22; [L166] SORT_1 var_24_arg_1 = var_23; [L167] EXPR var_24_arg_0 & var_24_arg_1 [L167] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L168] EXPR var_24 & mask_SORT_1 [L168] var_24 = var_24 & mask_SORT_1 [L169] SORT_1 bad_25_arg_0 = var_24; [L170] CALL __VERIFIER_assert(!(bad_25_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.94ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 100.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.69ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 130.1MB in the end (delta: -29.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.24ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 124.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1573.43ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 124.0MB in the beginning and 126.3MB in the end (delta: -2.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * CodeCheck took 1016.76ms. Allocated memory is still 209.7MB. Free memory was 126.3MB in the beginning and 146.0MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 209.7MB. Free memory was 146.0MB in the beginning and 144.9MB in the end (delta: 1.1MB). 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 [2023-12-02 22:56:45,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9 --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 64bit --witnessprinter.graph.data.programhash 6941340a217c21b00eedda9dba2fb93b4ff9d5189cb3951c1318a65ece342f1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:56:48,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:56:48,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:56:48,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:56:48,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:56:48,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:56:48,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:56:48,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:56:48,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:56:48,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:56:48,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:56:48,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:56:48,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:56:48,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:56:48,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:56:48,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:56:48,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:56:48,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:56:48,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:56:48,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:56:48,140 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:56:48,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:56:48,142 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:48,142 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:56:48,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:56:48,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:48,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:56:48,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:56:48,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:56:48,145 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:56:48,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:48,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:56:48,146 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:56:48,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:56:48,147 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6941340a217c21b00eedda9dba2fb93b4ff9d5189cb3951c1318a65ece342f1e [2023-12-02 22:56:48,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:56:48,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:56:48,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:56:48,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:56:48,480 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:56:48,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c [2023-12-02 22:56:51,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:56:51,501 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:56:51,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c [2023-12-02 22:56:51,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data/eb4cd4a1e/421eae7f15bd4d74b8e57f8b1ce45058/FLAG95ebf832e [2023-12-02 22:56:51,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/data/eb4cd4a1e/421eae7f15bd4d74b8e57f8b1ce45058 [2023-12-02 22:56:51,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:56:51,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:56:51,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:51,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:56:51,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:56:51,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:51,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1944aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51, skipping insertion in model container [2023-12-02 22:56:51,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:51,592 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:56:51,754 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c[1266,1279] [2023-12-02 22:56:51,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:51,874 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:56:51,890 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_032eaa81-7f57-4dfd-9bf6-dd308499671c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p14.c[1266,1279] [2023-12-02 22:56:51,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:51,974 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:56:51,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51 WrapperNode [2023-12-02 22:56:51,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:51,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:51,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:56:51,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:56:51,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,046 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 452 [2023-12-02 22:56:52,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:52,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:56:52,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:56:52,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:56:52,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:52,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:52,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:52,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:52,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:51" (1/1) ... [2023-12-02 22:56:52,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:52,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:52,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:52,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:56:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:52,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:52,370 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:52,372 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:52,753 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:52,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:52,821 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:52,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:52 BoogieIcfgContainer [2023-12-02 22:56:52,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:52,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:52,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:52,837 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:52,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:52" (1/1) ... [2023-12-02 22:56:52,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:56:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:56:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:56:52,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:52,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:52,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:52,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:56:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:53,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:53,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:56:53,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:53,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:56:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:56:53,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:53,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:53,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:53,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:53,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:53,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:56:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:53,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:54,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 22:56:54,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:54,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:56:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-12-02 22:56:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-12-02 22:56:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:56:54,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:54,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:54,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:54,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:56:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:55,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:55,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 22:56:55,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:55,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:56:55,658 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:56:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2023-12-02 22:56:56,193 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2023-12-02 22:56:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:56:56,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:56,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:56,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:56,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:56,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:56:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:56,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:56,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 22:56:56,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:57,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:56:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-12-02 22:56:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-12-02 22:56:57,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:56:57,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:57,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:57,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:57,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:57,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:56:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:58,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:58,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 104 conjunts are in the unsatisfiable core [2023-12-02 22:56:58,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:59,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:57:00,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2023-12-02 22:57:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2023-12-02 22:57:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:57:00,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:00,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:00,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:00,109 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:00,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:57:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:00,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:01,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 147 conjunts are in the unsatisfiable core [2023-12-02 22:57:01,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:01,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:57:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 58 transitions. [2023-12-02 22:57:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 58 transitions. [2023-12-02 22:57:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:57:03,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:03,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:03,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:03,642 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:03,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:57:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:04,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:04,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 204 conjunts are in the unsatisfiable core [2023-12-02 22:57:04,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:06,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:57:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-12-02 22:57:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-12-02 22:57:07,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:57:07,083 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-02 22:57:07,090 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:57:07,159 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2023-12-02 22:57:07,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:57:07 ImpRootNode [2023-12-02 22:57:07,165 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:57:07,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:57:07,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:57:07,166 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:57:07,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:52" (3/4) ... [2023-12-02 22:57:07,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:57:07,181 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 22:57:07,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 22:57:07,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:57:07,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:57:07,328 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:57:07,328 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:57:07,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:57:07,329 INFO L158 Benchmark]: Toolchain (without parser) took 15792.97ms. Allocated memory was 115.3MB in the beginning and 293.6MB in the end (delta: 178.3MB). Free memory was 91.2MB in the beginning and 188.8MB in the end (delta: -97.6MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,329 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:57:07,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.70ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 71.4MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.74ms. Allocated memory is still 115.3MB. Free memory was 71.4MB in the beginning and 67.5MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,330 INFO L158 Benchmark]: Boogie Preprocessor took 77.26ms. Allocated memory is still 115.3MB. Free memory was 67.5MB in the beginning and 91.1MB in the end (delta: -23.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,330 INFO L158 Benchmark]: RCFGBuilder took 697.68ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 51.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,331 INFO L158 Benchmark]: CodeCheck took 14340.38ms. Allocated memory was 115.3MB in the beginning and 293.6MB in the end (delta: 178.3MB). Free memory was 51.2MB in the beginning and 198.2MB in the end (delta: -147.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,331 INFO L158 Benchmark]: Witness Printer took 162.96ms. Allocated memory is still 293.6MB. Free memory was 198.2MB in the beginning and 188.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:57:07,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 589 IncrementalHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 7 mSDtfsCounter, 589 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1034 GetRequests, 925 SyntacticMatches, 29 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2347 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1436 SizeOfPredicates, 532 NumberOfNonLiveVariables, 5327 ConjunctsInSsa, 606 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/147 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: 21]: 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: 114]: Loop Invariant Derived loop invariant: (((((((((((1 == mask_SORT_1) && (0 == state_64)) && (state_8 == 0)) && (0 == state_43)) && (var_7 == 0)) && (0 == state_28)) && (1 == state_53)) && (0 == state_62)) && (0 == state_15)) && (0 == state_60)) && (var_12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.70ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 71.4MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.74ms. Allocated memory is still 115.3MB. Free memory was 71.4MB in the beginning and 67.5MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.26ms. Allocated memory is still 115.3MB. Free memory was 67.5MB in the beginning and 91.1MB in the end (delta: -23.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.68ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 51.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 14340.38ms. Allocated memory was 115.3MB in the beginning and 293.6MB in the end (delta: 178.3MB). Free memory was 51.2MB in the beginning and 198.2MB in the end (delta: -147.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 162.96ms. Allocated memory is still 293.6MB. Free memory was 198.2MB in the beginning and 188.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:57:07,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032eaa81-7f57-4dfd-9bf6-dd308499671c/bin/ukojak-verify-Qdu7aM0XO9/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 Result: TRUE