./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b --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 ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:11:14,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:11:14,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:11:14,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:11:14,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:11:14,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:11:14,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:11:14,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:11:14,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:11:14,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:11:14,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:11:14,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:11:14,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:11:14,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:11:14,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:11:14,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:11:14,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:14,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:11:14,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:11:14,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:11:14,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:11:14,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:11:14,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b 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 -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2024-12-06 03:11:14,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:11:14,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:11:14,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:11:14,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:11:14,938 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:11:14,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-12-06 03:11:17,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/a5c76fad0/39583795877e45eb8d7aadf658429c48/FLAG2d807aa6d [2024-12-06 03:11:17,773 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:11:17,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-12-06 03:11:17,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/a5c76fad0/39583795877e45eb8d7aadf658429c48/FLAG2d807aa6d [2024-12-06 03:11:18,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/a5c76fad0/39583795877e45eb8d7aadf658429c48 [2024-12-06 03:11:18,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:11:18,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:11:18,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:18,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:11:18,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:11:18,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550e8a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18, skipping insertion in model container [2024-12-06 03:11:18,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:11:18,255 WARN L250 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_be9ea2db-ed4b-4ed1-a462-a62318410328/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-12-06 03:11:18,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:18,300 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:11:18,310 WARN L250 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_be9ea2db-ed4b-4ed1-a462-a62318410328/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-12-06 03:11:18,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:18,342 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:11:18,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18 WrapperNode [2024-12-06 03:11:18,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:18,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:18,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:11:18,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:11:18,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,393 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2024-12-06 03:11:18,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:18,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:11:18,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:11:18,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:11:18,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:11:18,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:11:18,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:11:18,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:11:18,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:18" (1/1) ... [2024-12-06 03:11:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:18,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:11:18,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:11:18,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:11:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:11:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:11:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:11:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:11:18,554 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:11:18,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:11:18,867 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-12-06 03:11:18,867 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:11:19,067 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:11:19,067 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:11:19,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:19 BoogieIcfgContainer [2024-12-06 03:11:19,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:11:19,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:11:19,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:11:19,078 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:11:19,078 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:19" (1/1) ... [2024-12-06 03:11:19,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:11:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:11:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:11:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:11:19,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:19,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:11:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:11:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:11:20,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:20,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-12-06 03:11:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-12-06 03:11:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:11:22,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 19 states and 43 transitions. [2024-12-06 03:11:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 43 transitions. [2024-12-06 03:11:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:11:27,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:27,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 25 states and 60 transitions. [2024-12-06 03:11:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 60 transitions. [2024-12-06 03:11:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:11:31,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:11:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:31,424 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:32,949 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:11:33,953 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 03:11:33,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:11:33 ImpRootNode [2024-12-06 03:11:33,991 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:11:33,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:11:33,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:11:33,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:11:33,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:19" (3/4) ... [2024-12-06 03:11:33,995 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:11:33,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:11:33,997 INFO L158 Benchmark]: Toolchain (without parser) took 15866.34ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 119.2MB in the beginning and 330.3MB in the end (delta: -211.1MB). Peak memory consumption was 145.3MB. Max. memory is 16.1GB. [2024-12-06 03:11:33,998 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:33,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.69ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:11:33,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.58ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 102.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:11:33,999 INFO L158 Benchmark]: Boogie Preprocessor took 33.07ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:33,999 INFO L158 Benchmark]: RCFGBuilder took 640.37ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 95.8MB in the end (delta: 4.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-12-06 03:11:34,000 INFO L158 Benchmark]: CodeCheck took 14922.13ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 95.8MB in the beginning and 330.3MB in the end (delta: -234.6MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. [2024-12-06 03:11:34,000 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 503.3MB. Free memory was 330.3MB in the beginning and 330.3MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:11:34,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 4 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2922 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/16 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, ConComCheckerStatistics: 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 81, overapproximation of bitwiseAnd at line 40, overapproximation of bitwiseAnd at line 50. 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 - 2); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (2 - 1); [L33] const SORT_2 var_5 = 0; [L34] const SORT_2 var_10 = 1; [L35] const SORT_2 var_17 = mask_SORT_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L40] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L41] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L43] SORT_2 init_8_arg_1 = var_5; [L44] state_6 = init_8_arg_1 [L45] SORT_2 init_9_arg_1 = var_5; [L46] state_7 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=3, state_6=0, state_7=0, var_10=1, var_17=3] [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.69ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.58ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 102.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.07ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.37ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 95.8MB in the end (delta: 4.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * CodeCheck took 14922.13ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 95.8MB in the beginning and 330.3MB in the end (delta: -234.6MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 503.3MB. Free memory was 330.3MB in the beginning and 330.3MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:11:34,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b --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 ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:11:36,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:11:36,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:11:36,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:11:36,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:11:36,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:11:36,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:11:36,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:11:36,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:11:36,368 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:11:36,369 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:11:36,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:11:36,369 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:11:36,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:11:36,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:11:36,369 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:11:36,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:36,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:11:36,370 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:11:36,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:36,371 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:11:36,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b 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 -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2024-12-06 03:11:36,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:11:36,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:11:36,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:11:36,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:11:36,652 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:11:36,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-12-06 03:11:39,536 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/358670725/a2ff297e07544d2682eef05f5a234eb1/FLAG80ad7a2fe [2024-12-06 03:11:39,762 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:11:39,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-12-06 03:11:39,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/358670725/a2ff297e07544d2682eef05f5a234eb1/FLAG80ad7a2fe [2024-12-06 03:11:39,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/data/358670725/a2ff297e07544d2682eef05f5a234eb1 [2024-12-06 03:11:39,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:11:39,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:11:39,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:39,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:11:39,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:11:39,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:39" (1/1) ... [2024-12-06 03:11:39,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b089cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:39, skipping insertion in model container [2024-12-06 03:11:39,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:11:39" (1/1) ... [2024-12-06 03:11:39,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:11:39,980 WARN L250 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_be9ea2db-ed4b-4ed1-a462-a62318410328/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-12-06 03:11:40,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:40,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:11:40,046 WARN L250 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_be9ea2db-ed4b-4ed1-a462-a62318410328/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-12-06 03:11:40,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:11:40,081 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:11:40,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40 WrapperNode [2024-12-06 03:11:40,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:11:40,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:40,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:11:40,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:11:40,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,117 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2024-12-06 03:11:40,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:11:40,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:11:40,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:11:40,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:11:40,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,135 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:11:40,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:11:40,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:11:40,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:11:40,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:11:40,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:11:40,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:11:40,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:11:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:11:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:11:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:11:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:11:40,283 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:11:40,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:11:40,445 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 03:11:40,445 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:11:40,513 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:11:40,513 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:11:40,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:40 BoogieIcfgContainer [2024-12-06 03:11:40,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:11:40,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:11:40,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:11:40,525 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:11:40,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:40" (1/1) ... [2024-12-06 03:11:40,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:11:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:11:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:11:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:11:40,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:40,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:40,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:40,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:40,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:11:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:40,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:40,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:11:40,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:40,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:11:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:11:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:11:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:11:40,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:40,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:40,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:40,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:40,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:11:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:41,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:41,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:11:41,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:41,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:11:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-12-06 03:11:41,926 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-12-06 03:11:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:11:41,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:41,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:41,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:41,931 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:41,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:11:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:42,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:42,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:11:42,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:42,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:11:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:43,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2024-12-06 03:11:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2024-12-06 03:11:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:11:43,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:43,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:43,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:43,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:43,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:11:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:43,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:43,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:11:43,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:43,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:11:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2024-12-06 03:11:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2024-12-06 03:11:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:11:43,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:43,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:43,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:43,835 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:43,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:11:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:43,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:43,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 03:11:43,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:45,598 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:45,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:11:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 25 states and 55 transitions. [2024-12-06 03:11:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 55 transitions. [2024-12-06 03:11:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:11:48,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:48,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:48,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:48,137 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:48,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:11:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:48,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:48,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:11:48,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:49,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:11:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 32 states and 76 transitions. [2024-12-06 03:11:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 76 transitions. [2024-12-06 03:11:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:11:52,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:52,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:52,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:52,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:52,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:11:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:52,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:52,434 WARN L254 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 03:11:52,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:54,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:11:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:11:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 36 states and 85 transitions. [2024-12-06 03:11:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 85 transitions. [2024-12-06 03:11:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:11:57,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:11:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:11:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:11:57,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:11:57,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:11:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:57,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:11:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:11:57,855 WARN L254 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 03:11:57,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:11:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:11:59,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:12:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2024-12-06 03:12:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2024-12-06 03:12:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:12:01,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:01,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:01,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:01,102 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:01,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:12:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:01,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:01,229 WARN L254 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 03:12:01,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:03,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:12:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 42 states and 103 transitions. [2024-12-06 03:12:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 103 transitions. [2024-12-06 03:12:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:12:06,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:06,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:06,261 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:06,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:12:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:06,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:06,457 WARN L254 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:12:06,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:09,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:12:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 43 states and 104 transitions. [2024-12-06 03:12:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 104 transitions. [2024-12-06 03:12:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:12:09,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:09,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:09,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:09,714 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:09,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:12:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:09,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:09,859 WARN L254 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:12:09,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:12,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:12:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 44 states and 107 transitions. [2024-12-06 03:12:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 107 transitions. [2024-12-06 03:12:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:12:13,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:13,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:13,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:13,139 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:13,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:12:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:13,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:12:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:13,291 WARN L254 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 03:12:13,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:16,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:12:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 121 transitions. [2024-12-06 03:12:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2024-12-06 03:12:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:12:18,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:18,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:18,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:18,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:18,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:12:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:18,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:18,991 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:19,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:12:19,076 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-12-06 03:12:19,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:12:19 ImpRootNode [2024-12-06 03:12:19,113 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:12:19,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:12:19,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:12:19,113 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:12:19,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:11:40" (3/4) ... [2024-12-06 03:12:19,114 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:12:19,185 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 42. [2024-12-06 03:12:19,253 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:12:19,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:12:19,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:12:19,255 INFO L158 Benchmark]: Toolchain (without parser) took 39458.95ms. Allocated memory was 92.3MB in the beginning and 427.8MB in the end (delta: 335.5MB). Free memory was 69.7MB in the beginning and 324.8MB in the end (delta: -255.0MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2024-12-06 03:12:19,255 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:19,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.87ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:19,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.94ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:19,256 INFO L158 Benchmark]: Boogie Preprocessor took 26.41ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.7MB in the end (delta: 984.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:19,256 INFO L158 Benchmark]: RCFGBuilder took 367.75ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 67.6MB in the end (delta: -13.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:19,257 INFO L158 Benchmark]: CodeCheck took 38598.05ms. Allocated memory was 92.3MB in the beginning and 427.8MB in the end (delta: 335.5MB). Free memory was 67.3MB in the beginning and 337.1MB in the end (delta: -269.8MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-12-06 03:12:19,257 INFO L158 Benchmark]: Witness Printer took 140.87ms. Allocated memory is still 427.8MB. Free memory was 337.1MB in the beginning and 324.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:19,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 579 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 457 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 535 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2552 IncrementalHoareTripleChecker+Invalid, 3087 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 535 mSolverCounterUnsat, 12 mSDtfsCounter, 2552 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2181 GetRequests, 1859 SyntacticMatches, 114 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29493 ImplicationChecksByTransitivity, 21.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 150 ConstructedInterpolants, 58 QuantifiedInterpolants, 7061 SizeOfPredicates, 74 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 279 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 0/244 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a 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 - 2); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (2 - 1); [L33] const SORT_2 var_5 = 0; [L34] const SORT_2 var_10 = 1; [L35] const SORT_2 var_17 = mask_SORT_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L40] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L41] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L43] SORT_2 init_8_arg_1 = var_5; [L44] state_6 = init_8_arg_1 [L45] SORT_2 init_9_arg_1 = var_5; [L46] state_7 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=3, state_6=0, state_7=0, var_10=1, var_17=3] [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.87ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.94ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.41ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.7MB in the end (delta: 984.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.75ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 67.6MB in the end (delta: -13.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 38598.05ms. Allocated memory was 92.3MB in the beginning and 427.8MB in the end (delta: 335.5MB). Free memory was 67.3MB in the beginning and 337.1MB in the end (delta: -269.8MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Witness Printer took 140.87ms. Allocated memory is still 427.8MB. Free memory was 337.1MB in the beginning and 324.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:12:19,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9ea2db-ed4b-4ed1-a462-a62318410328/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE