./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.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_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/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_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/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_e463a6f8-5de5-4aff-804a-281f310e9abc/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 ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:23:00,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:23:00,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:23:00,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:23:00,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:23:00,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:23:00,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:23:00,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:23:00,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:23:00,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:23:00,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:23:00,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:23:00,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:23:00,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:23:00,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:23:00,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:23:00,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:23:00,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:23:00,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:23:00,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:23:00,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:23:00,233 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_e463a6f8-5de5-4aff-804a-281f310e9abc/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 -> ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd [2024-12-06 00:23:00,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:23:00,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:23:00,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:23:00,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:23:00,486 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:23:00,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-12-06 00:23:03,148 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/2c0eabcf7/3b03a877e83b457680e15a64e6ef4624/FLAGe92ad2fd1 [2024-12-06 00:23:03,456 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:23:03,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-12-06 00:23:03,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/2c0eabcf7/3b03a877e83b457680e15a64e6ef4624/FLAGe92ad2fd1 [2024-12-06 00:23:03,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/2c0eabcf7/3b03a877e83b457680e15a64e6ef4624 [2024-12-06 00:23:03,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:23:03,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:23:03,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:23:03,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:23:03,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:23:03,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:23:03" (1/1) ... [2024-12-06 00:23:03,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44586f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:03, skipping insertion in model container [2024-12-06 00:23:03,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:23:03" (1/1) ... [2024-12-06 00:23:03,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:23:03,673 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_e463a6f8-5de5-4aff-804a-281f310e9abc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-12-06 00:23:03,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:23:03,955 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:23:03,962 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_e463a6f8-5de5-4aff-804a-281f310e9abc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-12-06 00:23:04,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:23:04,141 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:23:04,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04 WrapperNode [2024-12-06 00:23:04,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:23:04,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:23:04,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:23:04,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:23:04,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:04,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:04,848 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8189 [2024-12-06 00:23:04,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:23:04,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:23:04,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:23:04,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:23:04,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:04,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:04,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:04,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:23:05,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:23:05,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:23:05,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:23:05,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:04" (1/1) ... [2024-12-06 00:23:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:23:05,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:23:05,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:23:05,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:23:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:23:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:23:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:23:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:23:05,895 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:23:05,897 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:23:14,933 INFO L? ?]: Removed 4306 outVars from TransFormulas that were not future-live. [2024-12-06 00:23:14,933 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:23:25,412 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:23:25,413 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:23:25,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:23:25 BoogieIcfgContainer [2024-12-06 00:23:25,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:23:25,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:23:25,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:23:25,419 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:23:25,420 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:23:25" (1/1) ... [2024-12-06 00:23:25,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:23:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:23:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:23:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:23:25,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:23:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:29,904 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 00:23:40,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:50,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:53,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:54,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:24:04,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:24:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:24:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:24:04,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:24:04,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:04,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:26:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:26:08,317 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:28:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:28:28,827 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:28:28,830 INFO L158 Benchmark]: Toolchain (without parser) took 325341.64ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 115.7MB in the beginning and 733.3MB in the end (delta: -617.6MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 00:28:28,830 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:28,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.87ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 65.8MB in the end (delta: 49.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-12-06 00:28:28,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 706.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.8MB in the beginning and 271.3MB in the end (delta: -205.5MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. [2024-12-06 00:28:28,831 INFO L158 Benchmark]: Boogie Preprocessor took 572.17ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 830.5MB). Free memory was 271.3MB in the beginning and 1.0GB in the end (delta: -778.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2024-12-06 00:28:28,831 INFO L158 Benchmark]: RCFGBuilder took 19990.90ms. Allocated memory was 1.3GB in the beginning and 2.5GB in the end (delta: 1.2GB). Free memory was 1.0GB in the beginning and 1.9GB in the end (delta: -862.5MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 00:28:28,832 INFO L158 Benchmark]: CodeCheck took 303415.75ms. Allocated memory was 2.5GB in the beginning and 2.5GB in the end (delta: 16.8MB). Free memory was 1.9GB in the beginning and 733.3MB in the end (delta: 1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 00:28:28,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.87ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 65.8MB in the end (delta: 49.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 706.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.8MB in the beginning and 271.3MB in the end (delta: -205.5MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 572.17ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 830.5MB). Free memory was 271.3MB in the beginning and 1.0GB in the end (delta: -778.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * RCFGBuilder took 19990.90ms. Allocated memory was 1.3GB in the beginning and 2.5GB in the end (delta: 1.2GB). Free memory was 1.0GB in the beginning and 1.9GB in the end (delta: -862.5MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 303415.75ms. Allocated memory was 2.5GB in the beginning and 2.5GB in the end (delta: 16.8MB). Free memory was 1.9GB in the beginning and 733.3MB in the end (delta: 1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:28:28,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/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_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/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_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/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_e463a6f8-5de5-4aff-804a-281f310e9abc/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 ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:28:30,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:28:31,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:28:31,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:28:31,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:28:31,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:28:31,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:28:31,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:28:31,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:28:31,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:28:31,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:28:31,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:28:31,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:28:31,071 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:28:31,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:31,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:31,072 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:28:31,072 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_e463a6f8-5de5-4aff-804a-281f310e9abc/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 -> ebe1e8929ddf4e64abcd8a155c27c57bcfa383e79973a610e813bee2b5432fdd [2024-12-06 00:28:31,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:28:31,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:28:31,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:28:31,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:28:31,348 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:28:31,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-12-06 00:28:34,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/4a96720b8/f8eb08187ebc4248ae2d2c67a2ce4849/FLAG1138fc9d8 [2024-12-06 00:28:34,405 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:28:34,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c [2024-12-06 00:28:34,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/4a96720b8/f8eb08187ebc4248ae2d2c67a2ce4849/FLAG1138fc9d8 [2024-12-06 00:28:34,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/data/4a96720b8/f8eb08187ebc4248ae2d2c67a2ce4849 [2024-12-06 00:28:34,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:28:34,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:28:34,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:34,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:28:34,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:28:34,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:34" (1/1) ... [2024-12-06 00:28:34,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61098a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:34, skipping insertion in model container [2024-12-06 00:28:34,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:34" (1/1) ... [2024-12-06 00:28:34,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:28:34,624 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_e463a6f8-5de5-4aff-804a-281f310e9abc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-12-06 00:28:34,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:34,886 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:28:34,895 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_e463a6f8-5de5-4aff-804a-281f310e9abc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop2-back-serstep.c[1178,1191] [2024-12-06 00:28:35,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:35,023 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:28:35,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35 WrapperNode [2024-12-06 00:28:35,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:35,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:35,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:28:35,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:28:35,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,135 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2233 [2024-12-06 00:28:35,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:35,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:28:35,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:28:35,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:28:35,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:28:35,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:28:35,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:28:35,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:28:35,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:35" (1/1) ... [2024-12-06 00:28:35,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:35,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:28:35,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:28:35,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:28:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:28:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:28:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:28:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:28:35,670 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:28:35,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:28:38,831 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-12-06 00:28:38,831 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:28:38,913 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:28:38,914 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:28:38,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:38 BoogieIcfgContainer [2024-12-06 00:28:38,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:28:38,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:28:38,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:28:38,925 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:28:38,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:38" (1/1) ... [2024-12-06 00:28:38,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:28:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:28:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:28:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:28:38,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:38,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:38,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:28:38,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:28:38,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:28:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:39,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:28:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:39,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:28:39,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:39,923 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 00:28:39,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:28:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:28:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:28:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:28:40,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:40,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:40,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:28:40,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:28:40,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e463a6f8-5de5-4aff-804a-281f310e9abc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:28:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:41,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:28:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:41,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 00:28:41,684 INFO L279 TraceCheckSpWp]: Computing forward predicates...