./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/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_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/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 64bit --witnessprinter.graph.data.programhash 1f88bd3867028d60c5c1c8fa67c55aaa517a9782eae2d2c8498cbbc5893e8cf0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:35,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:35,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:58:35,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:35,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:35,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:35,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:35,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:35,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:35,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:35,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:35,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:35,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:35,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:35,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:35,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:35,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:35,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:35,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:35,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:35,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:35,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:35,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:35,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:35,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:35,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:35,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:35,306 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:35,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:35,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:35,309 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_94300966-5182-4221-9c0a-a81ff8f587fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f88bd3867028d60c5c1c8fa67c55aaa517a9782eae2d2c8498cbbc5893e8cf0 [2023-11-19 03:58:35,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:35,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:35,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:35,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:35,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:35,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c [2023-11-19 03:58:38,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:39,063 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:39,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c [2023-11-19 03:58:39,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data/85532e283/933c54040c4645ef8369e4e9f1778433/FLAGb4621382b [2023-11-19 03:58:39,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data/85532e283/933c54040c4645ef8369e4e9f1778433 [2023-11-19 03:58:39,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:39,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:39,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:39,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:39,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:39,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef2d84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39, skipping insertion in model container [2023-11-19 03:58:39,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:39,665 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_94300966-5182-4221-9c0a-a81ff8f587fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c[1260,1273] [2023-11-19 03:58:39,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:39,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:39,731 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_94300966-5182-4221-9c0a-a81ff8f587fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c[1260,1273] [2023-11-19 03:58:39,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:39,771 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:39,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39 WrapperNode [2023-11-19 03:58:39,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:39,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:39,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:39,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:39,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,854 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 144 [2023-11-19 03:58:39,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:39,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:39,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:39,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:39,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:39,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:39,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:39,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:39,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:39" (1/1) ... [2023-11-19 03:58:39,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:39,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:39,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:39,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:40,157 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:40,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:40,594 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:40,921 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:40,922 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:40,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:40 BoogieIcfgContainer [2023-11-19 03:58:40,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:40,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:40,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:40,939 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:40,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:40" (1/1) ... [2023-11-19 03:58:40,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:58:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:58:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:58:41,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:41,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 03:58:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 03:58:42,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:58:42,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:42,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 03:58:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 03:58:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:58:44,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:44,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2023-11-19 03:58:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2023-11-19 03:58:51,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:58:51,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:51,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:53,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:57,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:58,523 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-19 03:58:58,616 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:58:58,616 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:58:58,617 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:58:58,617 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:58:58,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:58 ImpRootNode [2023-11-19 03:58:58,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:58,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:58,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:58,632 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:58,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:40" (3/4) ... [2023-11-19 03:58:58,636 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:58:58,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:58,639 INFO L158 Benchmark]: Toolchain (without parser) took 19209.78ms. Allocated memory was 125.8MB in the beginning and 308.3MB in the end (delta: 182.5MB). Free memory was 80.6MB in the beginning and 202.3MB in the end (delta: -121.7MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:58,640 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:58,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.17ms. Allocated memory is still 125.8MB. Free memory was 80.6MB in the beginning and 69.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:58,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.19ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 66.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:58,644 INFO L158 Benchmark]: Boogie Preprocessor took 59.18ms. Allocated memory is still 125.8MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:58,645 INFO L158 Benchmark]: RCFGBuilder took 1011.95ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 64.4MB in the beginning and 112.7MB in the end (delta: -48.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:58,652 INFO L158 Benchmark]: CodeCheck took 17703.06ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 112.7MB in the beginning and 203.3MB in the end (delta: -90.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:58,653 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 308.3MB. Free memory is still 202.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:58,665 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: 17.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 3 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/9 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: 22]: 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 bitwiseAnd at line 49. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 32); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (32 - 1); [L33] const SORT_2 var_4 = 0; [L34] const SORT_2 var_9 = 1; [L35] const SORT_2 var_16 = 3; [L37] SORT_1 input_3; [L39] EXPR __VERIFIER_nondet_uint() & mask_SORT_2 [L39] SORT_2 state_5 = __VERIFIER_nondet_uint() & mask_SORT_2; [L40] EXPR __VERIFIER_nondet_uint() & mask_SORT_2 [L40] SORT_2 state_6 = __VERIFIER_nondet_uint() & mask_SORT_2; [L42] SORT_2 init_7_arg_1 = var_4; [L43] state_5 = init_7_arg_1 [L44] SORT_2 init_8_arg_1 = var_4; [L45] state_6 = init_8_arg_1 VAL [init_7_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_2=4294967295, msb_SORT_1=1, msb_SORT_2=2147483648, state_5=0, state_6=0, var_16=3, var_4=0, var_9=1] [L48] input_3 = __VERIFIER_nondet_uchar() [L49] EXPR input_3 & mask_SORT_1 [L49] input_3 = input_3 & mask_SORT_1 [L52] SORT_2 var_17_arg_0 = state_5; [L53] SORT_2 var_17_arg_1 = var_16; [L54] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L55] SORT_2 var_18_arg_0 = state_6; [L56] SORT_2 var_18_arg_1 = var_16; [L57] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L58] SORT_1 var_19_arg_0 = var_17; [L59] SORT_1 var_19_arg_1 = var_18; [L60] EXPR var_19_arg_0 & var_19_arg_1 [L60] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L61] EXPR var_19 & mask_SORT_1 [L61] var_19 = var_19 & mask_SORT_1 [L62] SORT_1 bad_20_arg_0 = var_19; [L63] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L63] RET __VERIFIER_assert(!(bad_20_arg_0)) [L65] SORT_2 var_10_arg_0 = state_5; [L66] SORT_2 var_10_arg_1 = var_9; [L67] SORT_2 var_10 = var_10_arg_0 + var_10_arg_1; [L68] SORT_1 var_12_arg_0 = input_3; [L69] SORT_2 var_12_arg_1 = state_5; [L70] SORT_2 var_12_arg_2 = var_10; [L71] SORT_2 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L72] EXPR var_12 & mask_SORT_2 [L72] var_12 = var_12 & mask_SORT_2 [L73] SORT_2 next_14_arg_1 = var_12; [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_9; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = ~input_3; [L78] EXPR var_13_arg_0 & mask_SORT_1 [L78] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L79] SORT_2 var_13_arg_1 = state_6; [L80] SORT_2 var_13_arg_2 = var_11; [L81] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L82] EXPR var_13 & mask_SORT_2 [L82] var_13 = var_13 & mask_SORT_2 [L83] SORT_2 next_15_arg_1 = var_13; [L85] state_5 = next_14_arg_1 [L86] state_6 = next_15_arg_1 VAL [bad_20_arg_0=0, init_7_arg_1=0, init_8_arg_1=0, input_3=0, mask_SORT_1=1, mask_SORT_2=4294967295, msb_SORT_1=1, msb_SORT_2=2147483648, next_14_arg_1=1, next_15_arg_1=1, state_5=1, state_6=1, var_10=1, var_10_arg_0=0, var_10_arg_1=1, var_11=1, var_11_arg_0=0, var_11_arg_1=1, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_12_arg_2=1, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=1, var_16=3, var_17=0, var_17_arg_0=0, var_17_arg_1=3, var_18=0, var_18_arg_0=0, var_18_arg_1=3, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_4=0, var_9=1] [L48] input_3 = __VERIFIER_nondet_uchar() [L49] EXPR input_3 & mask_SORT_1 [L49] input_3 = input_3 & mask_SORT_1 [L52] SORT_2 var_17_arg_0 = state_5; [L53] SORT_2 var_17_arg_1 = var_16; [L54] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L55] SORT_2 var_18_arg_0 = state_6; [L56] SORT_2 var_18_arg_1 = var_16; [L57] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L58] SORT_1 var_19_arg_0 = var_17; [L59] SORT_1 var_19_arg_1 = var_18; [L60] EXPR var_19_arg_0 & var_19_arg_1 [L60] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L61] EXPR var_19 & mask_SORT_1 [L61] var_19 = var_19 & mask_SORT_1 [L62] SORT_1 bad_20_arg_0 = var_19; [L63] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L63] RET __VERIFIER_assert(!(bad_20_arg_0)) [L65] SORT_2 var_10_arg_0 = state_5; [L66] SORT_2 var_10_arg_1 = var_9; [L67] SORT_2 var_10 = var_10_arg_0 + var_10_arg_1; [L68] SORT_1 var_12_arg_0 = input_3; [L69] SORT_2 var_12_arg_1 = state_5; [L70] SORT_2 var_12_arg_2 = var_10; [L71] SORT_2 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L72] EXPR var_12 & mask_SORT_2 [L72] var_12 = var_12 & mask_SORT_2 [L73] SORT_2 next_14_arg_1 = var_12; [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_9; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = ~input_3; [L78] EXPR var_13_arg_0 & mask_SORT_1 [L78] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L79] SORT_2 var_13_arg_1 = state_6; [L80] SORT_2 var_13_arg_2 = var_11; [L81] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L82] EXPR var_13 & mask_SORT_2 [L82] var_13 = var_13 & mask_SORT_2 [L83] SORT_2 next_15_arg_1 = var_13; [L85] state_5 = next_14_arg_1 [L86] state_6 = next_15_arg_1 VAL [bad_20_arg_0=0, init_7_arg_1=0, init_8_arg_1=0, input_3=0, mask_SORT_1=1, mask_SORT_2=4294967295, msb_SORT_1=1, msb_SORT_2=2147483648, next_14_arg_1=2, next_15_arg_1=2, state_5=2, state_6=2, var_10=2, var_10_arg_0=1, var_10_arg_1=1, var_11=2, var_11_arg_0=1, var_11_arg_1=1, var_12=2, var_12_arg_0=0, var_12_arg_1=1, var_12_arg_2=2, var_13=2, var_13_arg_0=0, var_13_arg_1=1, var_13_arg_2=2, var_16=3, var_17=0, var_17_arg_0=1, var_17_arg_1=3, var_18=0, var_18_arg_0=1, var_18_arg_1=3, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_4=0, var_9=1] [L48] input_3 = __VERIFIER_nondet_uchar() [L49] EXPR input_3 & mask_SORT_1 [L49] input_3 = input_3 & mask_SORT_1 [L52] SORT_2 var_17_arg_0 = state_5; [L53] SORT_2 var_17_arg_1 = var_16; [L54] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L55] SORT_2 var_18_arg_0 = state_6; [L56] SORT_2 var_18_arg_1 = var_16; [L57] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L58] SORT_1 var_19_arg_0 = var_17; [L59] SORT_1 var_19_arg_1 = var_18; [L60] EXPR var_19_arg_0 & var_19_arg_1 [L60] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L61] EXPR var_19 & mask_SORT_1 [L61] var_19 = var_19 & mask_SORT_1 [L62] SORT_1 bad_20_arg_0 = var_19; [L63] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L63] RET __VERIFIER_assert(!(bad_20_arg_0)) [L65] SORT_2 var_10_arg_0 = state_5; [L66] SORT_2 var_10_arg_1 = var_9; [L67] SORT_2 var_10 = var_10_arg_0 + var_10_arg_1; [L68] SORT_1 var_12_arg_0 = input_3; [L69] SORT_2 var_12_arg_1 = state_5; [L70] SORT_2 var_12_arg_2 = var_10; [L71] SORT_2 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L72] EXPR var_12 & mask_SORT_2 [L72] var_12 = var_12 & mask_SORT_2 [L73] SORT_2 next_14_arg_1 = var_12; [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_9; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = ~input_3; [L78] EXPR var_13_arg_0 & mask_SORT_1 [L78] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L79] SORT_2 var_13_arg_1 = state_6; [L80] SORT_2 var_13_arg_2 = var_11; [L81] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L82] EXPR var_13 & mask_SORT_2 [L82] var_13 = var_13 & mask_SORT_2 [L83] SORT_2 next_15_arg_1 = var_13; [L85] state_5 = next_14_arg_1 [L86] state_6 = next_15_arg_1 VAL [bad_20_arg_0=0, init_7_arg_1=0, init_8_arg_1=0, input_3=0, mask_SORT_1=1, mask_SORT_2=4294967295, msb_SORT_1=1, msb_SORT_2=2147483648, next_14_arg_1=3, next_15_arg_1=3, state_5=3, state_6=3, var_10=3, var_10_arg_0=2, var_10_arg_1=1, var_11=3, var_11_arg_0=2, var_11_arg_1=1, var_12=3, var_12_arg_0=0, var_12_arg_1=2, var_12_arg_2=3, var_13=3, var_13_arg_0=0, var_13_arg_1=2, var_13_arg_2=3, var_16=3, var_17=0, var_17_arg_0=2, var_17_arg_1=3, var_18=0, var_18_arg_0=2, var_18_arg_1=3, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_4=0, var_9=1] [L48] input_3 = __VERIFIER_nondet_uchar() [L49] EXPR input_3 & mask_SORT_1 [L49] input_3 = input_3 & mask_SORT_1 [L52] SORT_2 var_17_arg_0 = state_5; [L53] SORT_2 var_17_arg_1 = var_16; [L54] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L55] SORT_2 var_18_arg_0 = state_6; [L56] SORT_2 var_18_arg_1 = var_16; [L57] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L58] SORT_1 var_19_arg_0 = var_17; [L59] SORT_1 var_19_arg_1 = var_18; [L60] EXPR var_19_arg_0 & var_19_arg_1 [L60] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L61] EXPR var_19 & mask_SORT_1 [L61] var_19 = var_19 & mask_SORT_1 [L62] SORT_1 bad_20_arg_0 = var_19; [L63] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.17ms. Allocated memory is still 125.8MB. Free memory was 80.6MB in the beginning and 69.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.19ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 66.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.18ms. Allocated memory is still 125.8MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1011.95ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 64.4MB in the beginning and 112.7MB in the end (delta: -48.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * CodeCheck took 17703.06ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 112.7MB in the beginning and 203.3MB in the end (delta: -90.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 308.3MB. Free memory is still 202.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:58:58,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/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_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/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 64bit --witnessprinter.graph.data.programhash 1f88bd3867028d60c5c1c8fa67c55aaa517a9782eae2d2c8498cbbc5893e8cf0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:01,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:02,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:59:02,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:02,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:02,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:02,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:02,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:02,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:02,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:02,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:02,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:02,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:02,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:02,130 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:59:02,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:59:02,131 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:59:02,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:02,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:02,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:02,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:02,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:02,135 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:02,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:02,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:02,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:02,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:02,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:02,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:02,140 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:59:02,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:02,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:02,141 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:59:02,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:02,142 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_94300966-5182-4221-9c0a-a81ff8f587fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f88bd3867028d60c5c1c8fa67c55aaa517a9782eae2d2c8498cbbc5893e8cf0 [2023-11-19 03:59:02,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:02,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:02,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:02,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:02,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:02,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c [2023-11-19 03:59:06,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:06,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:06,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c [2023-11-19 03:59:06,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data/9916c39d9/d2c9d799f3024383b70b27a5a32918c3/FLAG3e3c323d8 [2023-11-19 03:59:06,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/data/9916c39d9/d2c9d799f3024383b70b27a5a32918c3 [2023-11-19 03:59:06,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:06,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:06,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:06,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:06,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:06,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:06" (1/1) ... [2023-11-19 03:59:06,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdf9c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:06, skipping insertion in model container [2023-11-19 03:59:06,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:06" (1/1) ... [2023-11-19 03:59:06,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:07,111 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_94300966-5182-4221-9c0a-a81ff8f587fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c[1260,1273] [2023-11-19 03:59:07,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:07,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:07,233 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_94300966-5182-4221-9c0a-a81ff8f587fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount32.c[1260,1273] [2023-11-19 03:59:07,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:07,310 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:07,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07 WrapperNode [2023-11-19 03:59:07,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:07,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:07,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:07,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:07,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,370 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-19 03:59:07,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:07,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:07,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:07,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:07,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:07,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:07,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:07,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:07,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:07,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:07,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:59:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:07,689 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:07,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:07,998 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:08,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:08,102 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:59:08,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:08 BoogieIcfgContainer [2023-11-19 03:59:08,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:08,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:08,121 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:08,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:08,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:08" (1/1) ... [2023-11-19 03:59:08,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:59:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:59:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:59:08,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:08,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:08,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:08,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:59:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:08,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:59:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:08,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:59:08,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:08,748 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:59:08,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:59:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:59:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:59:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:08,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:08,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:08,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:08,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:08,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:59:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:09,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:59:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:09,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:59:09,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:09,774 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:59:09,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:59:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-11-19 03:59:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-11-19 03:59:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:59:10,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:10,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:10,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:10,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:59:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:59:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:59:11,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:11,926 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:59:11,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:59:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:13,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2023-11-19 03:59:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2023-11-19 03:59:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:59:13,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:13,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:13,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:13,536 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:13,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:59:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:59:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:59:13,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:14,199 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:59:14,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 03:59:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-19 03:59:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-19 03:59:14,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:59:14,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:14,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:14,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:14,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:14,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:59:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:14,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:59:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:14,845 WARN L260 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 03:59:14,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:17,116 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:59:17,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94300966-5182-4221-9c0a-a81ff8f587fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0