./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.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_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/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_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/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_e37f866b-d85f-42a8-8afe-86e55a7def73/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 e188a971cba665e2b77b0e826b47d617ddf57bd12a8f8136f6d81bf903c7591b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:13:37,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:13:37,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:13:37,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:13:37,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:13:37,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:13:37,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:13:37,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:13:37,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:13:37,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:13:37,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:13:37,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:13:37,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:13:37,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:13:37,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:13:37,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:13:37,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:13:37,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:13:37,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:13:37,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:13:37,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:13:37,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:13:37,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:13:37,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:13:37,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:13:37,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:13:37,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:13:37,208 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:13:37,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:13:37,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:13:37,209 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_e37f866b-d85f-42a8-8afe-86e55a7def73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e188a971cba665e2b77b0e826b47d617ddf57bd12a8f8136f6d81bf903c7591b [2023-12-02 23:13:37,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:13:37,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:13:37,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:13:37,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:13:37,468 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:13:37,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c [2023-12-02 23:13:40,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:13:40,415 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:13:40,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c [2023-12-02 23:13:40,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data/b9b09147f/fe2e406453134019b6d9ebe3f20375e3/FLAG77d8d6b7c [2023-12-02 23:13:40,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data/b9b09147f/fe2e406453134019b6d9ebe3f20375e3 [2023-12-02 23:13:40,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:13:40,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:13:40,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:13:40,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:13:40,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:13:40,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:13:40" (1/1) ... [2023-12-02 23:13:40,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4300cf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:40, skipping insertion in model container [2023-12-02 23:13:40,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:13:40" (1/1) ... [2023-12-02 23:13:40,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:13:40,930 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_e37f866b-d85f-42a8-8afe-86e55a7def73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c[1245,1258] [2023-12-02 23:13:41,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:13:41,030 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:13:41,043 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_e37f866b-d85f-42a8-8afe-86e55a7def73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c[1245,1258] [2023-12-02 23:13:41,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:13:41,107 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:13:41,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41 WrapperNode [2023-12-02 23:13:41,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:13:41,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:13:41,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:13:41,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:13:41,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,203 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 563 [2023-12-02 23:13:41,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:13:41,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:13:41,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:13:41,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:13:41,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:13:41,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:13:41,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:13:41,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:13:41,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:41" (1/1) ... [2023-12-02 23:13:41,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:13:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:13:41,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:13:41,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:13:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:13:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:13:41,484 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:13:41,486 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:13:42,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:13:42,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:13:42,702 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:13:42,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:42 BoogieIcfgContainer [2023-12-02 23:13:42,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:13:42,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:13:42,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:13:42,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:13:42,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:42" (1/1) ... [2023-12-02 23:13:42,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:13:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:13:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:13:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:13:42,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:42,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:44,026 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 23:13:46,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:13:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:13:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:13:47,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:47,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:13:48,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:13:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:13:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:13:51,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:13:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:13:52,107 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:13:52,154 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 23:13:52,154 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 23:13:52,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:13:52 ImpRootNode [2023-12-02 23:13:52,169 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:13:52,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:13:52,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:13:52,171 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:13:52,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:42" (3/4) ... [2023-12-02 23:13:52,173 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:13:52,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:13:52,176 INFO L158 Benchmark]: Toolchain (without parser) took 11422.72ms. Allocated memory was 146.8MB in the beginning and 281.0MB in the end (delta: 134.2MB). Free memory was 110.6MB in the beginning and 158.2MB in the end (delta: -47.6MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2023-12-02 23:13:52,176 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:13:52,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.06ms. Allocated memory is still 146.8MB. Free memory was 110.6MB in the beginning and 91.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:13:52,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.50ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 80.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:13:52,178 INFO L158 Benchmark]: Boogie Preprocessor took 93.50ms. Allocated memory is still 146.8MB. Free memory was 80.3MB in the beginning and 75.6MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:13:52,179 INFO L158 Benchmark]: RCFGBuilder took 1405.73ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 75.6MB in the beginning and 144.2MB in the end (delta: -68.6MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2023-12-02 23:13:52,180 INFO L158 Benchmark]: CodeCheck took 9464.25ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 144.2MB in the beginning and 158.2MB in the end (delta: -14.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-12-02 23:13:52,180 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 281.0MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:13:52,183 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: 9.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 88, overapproximation of bitwiseAnd at line 73. 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_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L32] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 3); [L33] const SORT_12 msb_SORT_12 = (SORT_12)1 << (3 - 1); [L35] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 2); [L36] const SORT_47 msb_SORT_47 = (SORT_47)1 << (2 - 1); [L38] const SORT_1 var_4 = 0; [L39] const SORT_7 var_9 = 1; [L40] const SORT_12 var_13 = 0; [L41] const SORT_1 var_21 = 1; [L42] const SORT_12 var_28 = 2; [L43] const SORT_12 var_31 = 1; [L44] const SORT_12 var_35 = 4; [L45] const SORT_12 var_38 = 6; [L46] const SORT_12 var_41 = 5; [L47] const SORT_12 var_45 = 3; [L48] const SORT_7 var_57 = 0; [L50] SORT_1 input_2; [L51] SORT_1 input_3; [L52] SORT_12 input_55; [L53] SORT_12 input_62; [L54] SORT_12 input_75; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L56] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_12 [L57] SORT_12 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_12; [L59] SORT_1 init_6_arg_1 = var_4; [L60] state_5 = init_6_arg_1 [L61] SORT_12 init_15_arg_1 = var_13; [L62] state_14 = init_15_arg_1 VAL [init_15_arg_1=0, init_6_arg_1=0, mask_SORT_12=7, mask_SORT_1=1, mask_SORT_47=3, mask_SORT_7=4294967295, msb_SORT_12=4, msb_SORT_1=1, msb_SORT_47=2, msb_SORT_7=2147483648, state_14=0, state_5=0, var_13=0, var_21=1, var_28=2, var_31=1, var_35=4, var_38=6, var_41=5, var_45=3, var_4=0, var_57=0, var_9=1] [L65] input_2 = __VERIFIER_nondet_uchar() [L66] input_3 = __VERIFIER_nondet_uchar() [L67] input_55 = __VERIFIER_nondet_uchar() [L68] input_62 = __VERIFIER_nondet_uchar() [L69] input_75 = __VERIFIER_nondet_uchar() [L72] SORT_1 var_8_arg_0 = state_5; [L73] EXPR var_8_arg_0 & mask_SORT_1 [L73] var_8_arg_0 = var_8_arg_0 & mask_SORT_1 [L74] SORT_7 var_8 = var_8_arg_0; [L75] SORT_7 var_10_arg_0 = var_8; [L76] SORT_7 var_10_arg_1 = var_9; [L77] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L78] SORT_1 var_11_arg_0 = var_10; [L79] SORT_1 var_11 = ~var_11_arg_0; [L80] SORT_12 var_16_arg_0 = state_14; [L81] EXPR var_16_arg_0 & mask_SORT_12 [L81] var_16_arg_0 = var_16_arg_0 & mask_SORT_12 [L82] SORT_7 var_16 = var_16_arg_0; [L83] SORT_7 var_17_arg_0 = var_16; [L84] SORT_7 var_17_arg_1 = var_9; [L85] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L86] SORT_1 var_18_arg_0 = var_11; [L87] SORT_1 var_18_arg_1 = var_17; [L88] EXPR var_18_arg_0 | var_18_arg_1 [L88] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L89] SORT_1 var_22_arg_0 = var_18; [L90] SORT_1 var_22 = ~var_22_arg_0; [L91] SORT_1 var_23_arg_0 = var_21; [L92] SORT_1 var_23_arg_1 = var_22; [L93] EXPR var_23_arg_0 & var_23_arg_1 [L93] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L94] EXPR var_23 & mask_SORT_1 [L94] var_23 = var_23 & mask_SORT_1 [L95] SORT_1 bad_24_arg_0 = var_23; [L96] CALL __VERIFIER_assert(!(bad_24_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L96] RET __VERIFIER_assert(!(bad_24_arg_0)) [L98] SORT_12 var_42_arg_0 = state_14; [L99] SORT_12 var_42_arg_1 = var_41; [L100] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L101] SORT_12 var_39_arg_0 = state_14; [L102] SORT_12 var_39_arg_1 = var_38; [L103] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L104] SORT_1 var_43_arg_0 = var_42; [L105] SORT_1 var_43_arg_1 = var_39; [L106] EXPR var_43_arg_0 | var_43_arg_1 [L106] SORT_1 var_43 = var_43_arg_0 | var_43_arg_1; [L107] EXPR var_43 & mask_SORT_1 [L107] var_43 = var_43 & mask_SORT_1 [L108] SORT_12 var_36_arg_0 = state_14; [L109] SORT_12 var_36_arg_1 = var_35; [L110] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L111] SORT_12 var_46_arg_0 = state_14; [L112] SORT_12 var_46_arg_1 = var_45; [L113] SORT_1 var_46 = var_46_arg_0 == var_46_arg_1; [L114] SORT_1 var_48_arg_0 = var_36; [L115] SORT_1 var_48_arg_1 = var_46; [L116] EXPR ((SORT_47)var_48_arg_0 << 1) | var_48_arg_1 [L116] SORT_47 var_48 = ((SORT_47)var_48_arg_0 << 1) | var_48_arg_1; [L117] EXPR var_48 & mask_SORT_47 [L117] var_48 = var_48 & mask_SORT_47 [L118] SORT_1 var_49_arg_0 = var_43; [L119] SORT_47 var_49_arg_1 = var_48; [L120] EXPR ((SORT_12)var_49_arg_0 << 2) | var_49_arg_1 [L120] SORT_12 var_49 = ((SORT_12)var_49_arg_0 << 2) | var_49_arg_1; [L121] EXPR var_49 & mask_SORT_12 [L121] var_49 = var_49 & mask_SORT_12 [L122] SORT_12 var_50_arg_0 = var_49; [L123] SORT_1 var_50 = var_50_arg_0 != 0; [L124] SORT_1 var_40_arg_0 = var_39; [L125] SORT_1 var_40_arg_1 = var_4; [L126] SORT_1 var_40_arg_2 = var_4; [L127] SORT_1 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L128] SORT_1 var_37_arg_0 = var_36; [L129] SORT_1 var_37_arg_1 = var_21; [L130] SORT_1 var_37_arg_2 = var_4; [L131] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L132] SORT_1 var_44_arg_0 = var_43; [L133] SORT_1 var_44_arg_1 = var_40; [L134] SORT_1 var_44_arg_2 = var_37; [L135] SORT_1 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L136] SORT_12 var_32_arg_0 = state_14; [L137] SORT_12 var_32_arg_1 = var_31; [L138] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L139] SORT_12 var_29_arg_0 = state_14; [L140] SORT_12 var_29_arg_1 = var_28; [L141] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L142] SORT_1 var_33_arg_0 = var_32; [L143] SORT_1 var_33_arg_1 = var_29; [L144] EXPR var_33_arg_0 | var_33_arg_1 [L144] SORT_1 var_33 = var_33_arg_0 | var_33_arg_1; [L145] EXPR var_33 & mask_SORT_1 [L145] var_33 = var_33 & mask_SORT_1 [L146] SORT_1 var_30_arg_0 = var_29; [L147] SORT_1 var_30_arg_1 = var_4; [L148] SORT_1 var_30_arg_2 = var_4; [L149] SORT_1 var_30 = var_30_arg_0 ? var_30_arg_1 : var_30_arg_2; [L150] SORT_12 var_26_arg_0 = state_14; [L151] SORT_12 var_26_arg_1 = var_13; [L152] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L153] SORT_1 var_27_arg_0 = var_26; [L154] SORT_1 var_27_arg_1 = var_4; [L155] SORT_1 var_27_arg_2 = state_5; [L156] SORT_1 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L157] SORT_1 var_34_arg_0 = var_33; [L158] SORT_1 var_34_arg_1 = var_30; [L159] SORT_1 var_34_arg_2 = var_27; [L160] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L161] SORT_1 var_51_arg_0 = var_50; [L162] SORT_1 var_51_arg_1 = var_44; [L163] SORT_1 var_51_arg_2 = var_34; [L164] SORT_1 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L165] SORT_1 next_52_arg_1 = var_51; [L166] SORT_12 var_83_arg_0 = state_14; [L167] SORT_12 var_83_arg_1 = var_41; [L168] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L169] SORT_12 var_81_arg_0 = state_14; [L170] SORT_12 var_81_arg_1 = var_38; [L171] SORT_1 var_81 = var_81_arg_0 == var_81_arg_1; [L172] SORT_1 var_84_arg_0 = var_83; [L173] SORT_1 var_84_arg_1 = var_81; [L174] EXPR var_84_arg_0 | var_84_arg_1 [L174] SORT_1 var_84 = var_84_arg_0 | var_84_arg_1; [L175] EXPR var_84 & mask_SORT_1 [L175] var_84 = var_84 & mask_SORT_1 [L176] SORT_12 var_73_arg_0 = state_14; [L177] SORT_12 var_73_arg_1 = var_35; [L178] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L179] SORT_12 var_86_arg_0 = state_14; [L180] SORT_12 var_86_arg_1 = var_45; [L181] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L182] SORT_1 var_87_arg_0 = var_73; [L183] SORT_1 var_87_arg_1 = var_86; [L184] EXPR ((SORT_47)var_87_arg_0 << 1) | var_87_arg_1 [L184] SORT_47 var_87 = ((SORT_47)var_87_arg_0 << 1) | var_87_arg_1; [L185] EXPR var_87 & mask_SORT_47 [L185] var_87 = var_87 & mask_SORT_47 [L186] SORT_1 var_88_arg_0 = var_84; [L187] SORT_47 var_88_arg_1 = var_87; [L188] EXPR ((SORT_12)var_88_arg_0 << 2) | var_88_arg_1 [L188] SORT_12 var_88 = ((SORT_12)var_88_arg_0 << 2) | var_88_arg_1; [L189] EXPR var_88 & mask_SORT_12 [L189] var_88 = var_88 & mask_SORT_12 [L190] SORT_12 var_89_arg_0 = var_88; [L191] SORT_1 var_89 = var_89_arg_0 != 0; [L192] SORT_12 var_79_arg_0 = state_14; [L193] SORT_12 var_79_arg_1 = var_38; [L194] SORT_1 var_79 = var_79_arg_0 == var_79_arg_1; [L195] SORT_1 var_76_arg_0 = input_2; [L196] EXPR var_76_arg_0 & mask_SORT_1 [L196] var_76_arg_0 = var_76_arg_0 & mask_SORT_1 [L197] SORT_7 var_76 = var_76_arg_0; [L198] SORT_7 var_77_arg_0 = var_76; [L199] SORT_7 var_77_arg_1 = var_57; [L200] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L201] SORT_1 var_78_arg_0 = var_77; [L202] SORT_12 var_78_arg_1 = var_35; [L203] SORT_12 var_78_arg_2 = var_13; [L204] SORT_12 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_1 var_80_arg_0 = var_79; [L206] SORT_12 var_80_arg_1 = var_78; [L207] SORT_12 var_80_arg_2 = input_75; [L208] SORT_12 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L209] SORT_1 var_82_arg_0 = var_81; [L210] SORT_12 var_82_arg_1 = var_80; [L211] SORT_12 var_82_arg_2 = var_38; [L212] SORT_12 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L213] SORT_1 var_74_arg_0 = var_73; [L214] SORT_12 var_74_arg_1 = var_31; [L215] SORT_12 var_74_arg_2 = var_35; [L216] SORT_12 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L217] SORT_1 var_85_arg_0 = var_84; [L218] SORT_12 var_85_arg_1 = var_82; [L219] SORT_12 var_85_arg_2 = var_74; [L220] SORT_12 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L221] SORT_12 var_70_arg_0 = state_14; [L222] SORT_12 var_70_arg_1 = var_31; [L223] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L224] SORT_12 var_68_arg_0 = state_14; [L225] SORT_12 var_68_arg_1 = var_28; [L226] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L227] SORT_1 var_71_arg_0 = var_70; [L228] SORT_1 var_71_arg_1 = var_68; [L229] EXPR var_71_arg_0 | var_71_arg_1 [L229] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L230] EXPR var_71 & mask_SORT_1 [L230] var_71 = var_71 & mask_SORT_1 [L231] SORT_12 var_66_arg_0 = state_14; [L232] SORT_12 var_66_arg_1 = var_28; [L233] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L234] SORT_1 var_63_arg_0 = input_2; [L235] EXPR var_63_arg_0 & mask_SORT_1 [L235] var_63_arg_0 = var_63_arg_0 & mask_SORT_1 [L236] SORT_7 var_63 = var_63_arg_0; [L237] SORT_7 var_64_arg_0 = var_63; [L238] SORT_7 var_64_arg_1 = var_57; [L239] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L240] SORT_1 var_65_arg_0 = var_64; [L241] SORT_12 var_65_arg_1 = var_45; [L242] SORT_12 var_65_arg_2 = var_38; [L243] SORT_12 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L244] SORT_1 var_67_arg_0 = var_66; [L245] SORT_12 var_67_arg_1 = var_65; [L246] SORT_12 var_67_arg_2 = input_62; [L247] SORT_12 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L248] SORT_12 var_60_arg_0 = state_14; [L249] SORT_12 var_60_arg_1 = var_31; [L250] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L251] SORT_1 var_56_arg_0 = input_2; [L252] EXPR var_56_arg_0 & mask_SORT_1 [L252] var_56_arg_0 = var_56_arg_0 & mask_SORT_1 [L253] SORT_7 var_56 = var_56_arg_0; [L254] SORT_7 var_58_arg_0 = var_56; [L255] SORT_7 var_58_arg_1 = var_57; [L256] SORT_1 var_58 = var_58_arg_0 == var_58_arg_1; [L257] SORT_1 var_59_arg_0 = var_58; [L258] SORT_12 var_59_arg_1 = var_28; [L259] SORT_12 var_59_arg_2 = var_41; [L260] SORT_12 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L261] SORT_1 var_61_arg_0 = var_60; [L262] SORT_12 var_61_arg_1 = var_59; [L263] SORT_12 var_61_arg_2 = input_55; [L264] SORT_12 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L265] SORT_1 var_69_arg_0 = var_68; [L266] SORT_12 var_69_arg_1 = var_67; [L267] SORT_12 var_69_arg_2 = var_61; [L268] SORT_12 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L269] SORT_12 var_53_arg_0 = state_14; [L270] SORT_12 var_53_arg_1 = var_13; [L271] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L272] SORT_1 var_54_arg_0 = var_53; [L273] SORT_12 var_54_arg_1 = var_31; [L274] SORT_12 var_54_arg_2 = state_14; [L275] SORT_12 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L276] SORT_1 var_72_arg_0 = var_71; [L277] SORT_12 var_72_arg_1 = var_69; [L278] SORT_12 var_72_arg_2 = var_54; [L279] SORT_12 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L280] SORT_1 var_90_arg_0 = var_89; [L281] SORT_12 var_90_arg_1 = var_85; [L282] SORT_12 var_90_arg_2 = var_72; [L283] SORT_12 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L284] EXPR var_90 & mask_SORT_12 [L284] var_90 = var_90 & mask_SORT_12 [L285] SORT_12 next_91_arg_1 = var_90; [L287] state_5 = next_52_arg_1 [L288] state_14 = next_91_arg_1 VAL [bad_24_arg_0=0, init_15_arg_1=0, init_6_arg_1=0, input_2=0, input_55=2, input_62=1, input_75=3, mask_SORT_12=7, mask_SORT_1=1, mask_SORT_47=3, mask_SORT_7=4294967295, msb_SORT_12=4, msb_SORT_1=1, msb_SORT_47=2, msb_SORT_7=2147483648, next_52_arg_1=0, next_91_arg_1=1, state_14=1, state_5=0, var_10=0, var_10_arg_0=0, var_10_arg_1=1, var_11=255, var_11_arg_0=0, var_13=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=1, var_18=255, var_18_arg_0=255, var_18_arg_1=0, var_21=1, var_22=0, var_22_arg_0=255, var_23=0, var_23_arg_0=1, var_23_arg_1=0, var_26=1, var_26_arg_0=0, var_26_arg_1=0, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_27_arg_2=0, var_28=2, var_29=0, var_29_arg_0=0, var_29_arg_1=2, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_30_arg_2=0, var_31=1, var_32=0, var_32_arg_0=0, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=4, var_36=0, var_36_arg_0=0, var_36_arg_1=4, var_37=0, var_37_arg_0=0, var_37_arg_1=1, var_37_arg_2=0, var_38=6, var_39=0, var_39_arg_0=0, var_39_arg_1=6, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_40_arg_2=0, var_41=5, var_42=0, var_42_arg_0=0, var_42_arg_1=5, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=3, var_46=0, var_46_arg_0=0, var_46_arg_1=3, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_4=0, var_50=0, var_50_arg_0=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_51_arg_2=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=1, var_54_arg_0=1, var_54_arg_1=1, var_54_arg_2=0, var_56=0, var_56_arg_0=0, var_57=0, var_58=1, var_58_arg_0=0, var_58_arg_1=0, var_59=2, var_59_arg_0=1, var_59_arg_1=2, var_59_arg_2=5, var_60=0, var_60_arg_0=0, var_60_arg_1=1, var_61=2, var_61_arg_0=0, var_61_arg_1=2, var_61_arg_2=2, var_63=0, var_63_arg_0=0, var_64=1, var_64_arg_0=0, var_64_arg_1=0, var_65=3, var_65_arg_0=1, var_65_arg_1=3, var_65_arg_2=6, var_66=0, var_66_arg_0=0, var_66_arg_1=2, var_67=1, var_67_arg_0=0, var_67_arg_1=3, var_67_arg_2=1, var_68=0, var_68_arg_0=0, var_68_arg_1=2, var_69=2, var_69_arg_0=0, var_69_arg_1=1, var_69_arg_2=2, var_70=0, var_70_arg_0=0, var_70_arg_1=1, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_72=1, var_72_arg_0=0, var_72_arg_1=2, var_72_arg_2=1, var_73=0, var_73_arg_0=0, var_73_arg_1=4, var_74=4, var_74_arg_0=0, var_74_arg_1=1, var_74_arg_2=4, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=4, var_78_arg_0=1, var_78_arg_1=4, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=6, var_80=3, var_80_arg_0=0, var_80_arg_1=4, var_80_arg_2=3, var_81=0, var_81_arg_0=0, var_81_arg_1=6, var_82=6, var_82_arg_0=0, var_82_arg_1=3, var_82_arg_2=6, var_83=0, var_83_arg_0=0, var_83_arg_1=5, var_84=0, var_84_arg_0=0, var_84_arg_1=0, var_85=4, var_85_arg_0=0, var_85_arg_1=6, var_85_arg_2=4, var_86=0, var_86_arg_0=0, var_86_arg_1=3, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_89=0, var_89_arg_0=0, var_8=0, var_8_arg_0=0, var_90=1, var_90_arg_0=0, var_90_arg_1=4, var_90_arg_2=1, var_9=1] [L65] input_2 = __VERIFIER_nondet_uchar() [L66] input_3 = __VERIFIER_nondet_uchar() [L67] input_55 = __VERIFIER_nondet_uchar() [L68] input_62 = __VERIFIER_nondet_uchar() [L69] input_75 = __VERIFIER_nondet_uchar() [L72] SORT_1 var_8_arg_0 = state_5; [L73] EXPR var_8_arg_0 & mask_SORT_1 [L73] var_8_arg_0 = var_8_arg_0 & mask_SORT_1 [L74] SORT_7 var_8 = var_8_arg_0; [L75] SORT_7 var_10_arg_0 = var_8; [L76] SORT_7 var_10_arg_1 = var_9; [L77] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L78] SORT_1 var_11_arg_0 = var_10; [L79] SORT_1 var_11 = ~var_11_arg_0; [L80] SORT_12 var_16_arg_0 = state_14; [L81] EXPR var_16_arg_0 & mask_SORT_12 [L81] var_16_arg_0 = var_16_arg_0 & mask_SORT_12 [L82] SORT_7 var_16 = var_16_arg_0; [L83] SORT_7 var_17_arg_0 = var_16; [L84] SORT_7 var_17_arg_1 = var_9; [L85] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L86] SORT_1 var_18_arg_0 = var_11; [L87] SORT_1 var_18_arg_1 = var_17; [L88] EXPR var_18_arg_0 | var_18_arg_1 [L88] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L89] SORT_1 var_22_arg_0 = var_18; [L90] SORT_1 var_22 = ~var_22_arg_0; [L91] SORT_1 var_23_arg_0 = var_21; [L92] SORT_1 var_23_arg_1 = var_22; [L93] EXPR var_23_arg_0 & var_23_arg_1 [L93] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L94] EXPR var_23 & mask_SORT_1 [L94] var_23 = var_23 & mask_SORT_1 [L95] SORT_1 bad_24_arg_0 = var_23; [L96] CALL __VERIFIER_assert(!(bad_24_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 0.20ms. Allocated memory is still 146.8MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.06ms. Allocated memory is still 146.8MB. Free memory was 110.6MB in the beginning and 91.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.50ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 80.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.50ms. Allocated memory is still 146.8MB. Free memory was 80.3MB in the beginning and 75.6MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1405.73ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 75.6MB in the beginning and 144.2MB in the end (delta: -68.6MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * CodeCheck took 9464.25ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 144.2MB in the beginning and 158.2MB in the end (delta: -14.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 281.0MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:13:52,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/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_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/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_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/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_e37f866b-d85f-42a8-8afe-86e55a7def73/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 e188a971cba665e2b77b0e826b47d617ddf57bd12a8f8136f6d81bf903c7591b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:13:54,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:13:54,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:13:54,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:13:54,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:13:54,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:13:54,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:13:54,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:13:54,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:13:54,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:13:54,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:13:54,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:13:54,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:13:54,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:13:54,309 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:13:54,309 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:13:54,310 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:13:54,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:13:54,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:13:54,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:13:54,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:13:54,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:13:54,315 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:54,316 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:13:54,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:13:54,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:13:54,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:13:54,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:13:54,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:13:54,318 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:13:54,319 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:54,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:13:54,319 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:13:54,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:13:54,320 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_e37f866b-d85f-42a8-8afe-86e55a7def73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e188a971cba665e2b77b0e826b47d617ddf57bd12a8f8136f6d81bf903c7591b [2023-12-02 23:13:54,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:13:54,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:13:54,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:13:54,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:13:54,628 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:13:54,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c [2023-12-02 23:13:57,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:13:57,586 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:13:57,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c [2023-12-02 23:13:57,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data/c3893c3e6/0fa4ed17cda34e80ab64ebaec4b59c71/FLAGdba0d1467 [2023-12-02 23:13:57,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/data/c3893c3e6/0fa4ed17cda34e80ab64ebaec4b59c71 [2023-12-02 23:13:57,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:13:57,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:13:57,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:13:57,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:13:57,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:13:57,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:57,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e250b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57, skipping insertion in model container [2023-12-02 23:13:57,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:57,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:13:57,817 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_e37f866b-d85f-42a8-8afe-86e55a7def73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c[1245,1258] [2023-12-02 23:13:57,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:13:57,909 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:13:57,933 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_e37f866b-d85f-42a8-8afe-86e55a7def73/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b02.c[1245,1258] [2023-12-02 23:13:57,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:13:57,991 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:13:57,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57 WrapperNode [2023-12-02 23:13:57,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:13:57,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:13:57,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:13:57,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:13:58,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,051 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 293 [2023-12-02 23:13:58,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:13:58,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:13:58,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:13:58,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:13:58,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:13:58,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:13:58,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:13:58,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:13:58,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:13:57" (1/1) ... [2023-12-02 23:13:58,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:13:58,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:13:58,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:13:58,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:13:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:13:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:13:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:13:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:13:58,287 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:13:58,290 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:13:58,607 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:13:58,648 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:13:58,648 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:13:58,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:58 BoogieIcfgContainer [2023-12-02 23:13:58,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:13:58,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:13:58,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:13:58,662 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:13:58,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:58" (1/1) ... [2023-12-02 23:13:58,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:13:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:13:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:13:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:13:58,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:58,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:58,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:58,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:58,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:13:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:58,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:58,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 23:13:58,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:59,230 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 23:13:59,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:13:59,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:13:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:13:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:13:59,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:59,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:59,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:59,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:59,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:13:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:59,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:59,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 23:13:59,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:00,585 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 23:14:00,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:14:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-12-02 23:14:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-12-02 23:14:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:14:01,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:01,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:01,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:01,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:14:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-02 23:14:01,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:05,389 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 23:14:05,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:14:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2023-12-02 23:14:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2023-12-02 23:14:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:14:07,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:07,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:07,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:07,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:14:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:08,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:08,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 23:14:08,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:14:11,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:14:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 28 states and 65 transitions. [2023-12-02 23:14:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 65 transitions. [2023-12-02 23:14:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:14:17,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:17,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:17,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:17,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:17,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:14:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:17,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:17,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 160 conjunts are in the unsatisfiable core [2023-12-02 23:14:17,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:14:22,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:14:28,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 34 states and 85 transitions. [2023-12-02 23:14:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 85 transitions. [2023-12-02 23:14:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:14:28,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:28,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:28,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:28,713 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:28,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:14:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:29,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:29,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-02 23:14:29,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:14:34,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:14:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-12-02 23:14:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-12-02 23:14:40,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:14:40,147 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-12-02 23:14:40,154 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:14:40,862 INFO L560 CodeCheckObserver]: Invariant with dag size 69 [2023-12-02 23:14:40,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_27_arg_2~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_27_arg_2~0#1)[7:0])[7:0])[7:0] == ~state_5~0 && !(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(ULTIMATE.start_main_~var_27_arg_2~0#1), 1bv32)[7:0]) == 1bv32)) could not be translated [2023-12-02 23:14:40,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_85_arg_1~0#1 : bv8 :: ~bvand~32(7bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_85_arg_1~0#1)[7:0])[7:0]))[7:0] == ~state_14~0) could not be translated [2023-12-02 23:14:40,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:14:40 ImpRootNode [2023-12-02 23:14:40,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:14:40,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:14:40,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:14:40,877 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:14:40,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:58" (3/4) ... [2023-12-02 23:14:40,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:14:40,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 23:14:40,890 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 23:14:40,891 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:14:40,892 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:14:40,892 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:14:41,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:14:41,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:14:41,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:14:41,001 INFO L158 Benchmark]: Toolchain (without parser) took 43384.51ms. Allocated memory was 73.4MB in the beginning and 469.8MB in the end (delta: 396.4MB). Free memory was 48.8MB in the beginning and 377.2MB in the end (delta: -328.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,001 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:14:41,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.15ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 47.8MB in the end (delta: 817.2kB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.31ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 44.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,002 INFO L158 Benchmark]: Boogie Preprocessor took 43.78ms. Allocated memory is still 73.4MB. Free memory was 44.5MB in the beginning and 42.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,002 INFO L158 Benchmark]: RCFGBuilder took 554.67ms. Allocated memory is still 73.4MB. Free memory was 42.4MB in the beginning and 29.0MB in the end (delta: 13.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,002 INFO L158 Benchmark]: CodeCheck took 42224.15ms. Allocated memory was 73.4MB in the beginning and 469.8MB in the end (delta: 396.4MB). Free memory was 29.0MB in the beginning and 384.5MB in the end (delta: -355.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,003 INFO L158 Benchmark]: Witness Printer took 123.37ms. Allocated memory is still 469.8MB. Free memory was 384.5MB in the beginning and 377.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:14:41,004 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: 41.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 835 IncrementalHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 6 mSDtfsCounter, 835 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 684 SyntacticMatches, 17 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13352 ImplicationChecksByTransitivity, 21.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 13 QuantifiedInterpolants, 1915 SizeOfPredicates, 752 NumberOfNonLiveVariables, 3236 ConjunctsInSsa, 710 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 11/76 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: 63]: Loop Invariant Derived loop invariant: ((((((((((((((((1 == mask_SORT_1) && (var_41 == 5)) && (6 == var_38)) && (1 == var_31)) && (4 == var_35)) && (1 == state_14)) && (2 == var_28)) && (var_13 == 0)) && (1 == var_21)) && (var_45 == 3)) && (mask_SORT_47 == 3)) && (var_4 == 0)) && (7 == mask_SORT_12)) && (var_9 == 1)) || ((((((((((((((1 == mask_SORT_1) && (var_41 == 5)) && (state_5 == 0)) && (6 == var_38)) && (1 == var_31)) && (4 == var_35)) && (2 == var_28)) && (var_13 == 0)) && (1 == var_21)) && (var_45 == 3)) && (mask_SORT_47 == 3)) && (var_4 == 0)) && (7 == mask_SORT_12)) && (var_9 == 1))) || (((((((((((((1 == mask_SORT_1) && (var_41 == 5)) && (6 == var_38)) && (1 == var_31)) && (4 == var_35)) && (2 == var_28)) && (var_13 == 0)) && (1 == var_21)) && (var_45 == 3)) && (mask_SORT_47 == 3)) && (var_4 == 0)) && (7 == mask_SORT_12)) && (var_9 == 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.15ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 47.8MB in the end (delta: 817.2kB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.31ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 44.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.78ms. Allocated memory is still 73.4MB. Free memory was 44.5MB in the beginning and 42.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.67ms. Allocated memory is still 73.4MB. Free memory was 42.4MB in the beginning and 29.0MB in the end (delta: 13.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 42224.15ms. Allocated memory was 73.4MB in the beginning and 469.8MB in the end (delta: 396.4MB). Free memory was 29.0MB in the beginning and 384.5MB in the end (delta: -355.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 123.37ms. Allocated memory is still 469.8MB. Free memory was 384.5MB in the beginning and 377.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_27_arg_2~0#1 : bv8 :: ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_27_arg_2~0#1)[7:0])[7:0])[7:0] == ~state_5~0 && !(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(ULTIMATE.start_main_~var_27_arg_2~0#1), 1bv32)[7:0]) == 1bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_85_arg_1~0#1 : bv8 :: ~bvand~32(7bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_85_arg_1~0#1)[7:0])[7:0]))[7:0] == ~state_14~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 23:14:41,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37f866b-d85f-42a8-8afe-86e55a7def73/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE