./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-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_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3 --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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:18:31,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:18:31,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:18:31,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:18:31,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:18:31,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:18:31,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:18:31,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:18:31,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:18:31,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:18:31,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:18:31,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:18:31,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:18:31,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:18:31,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:18:31,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:18:31,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:18:31,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:18:31,212 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:18:31,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:18:31,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:18:31,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:18:31,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:18:31,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:18:31,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:18:31,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:18:31,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:18:31,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:18:31,213 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:18:31,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:18:31,214 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_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3 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 -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-11-25 03:18:31,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:18:31,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:18:31,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:18:31,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:18:31,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:18:31,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-25 03:18:34,500 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/f9dabafe4/3d57a3462f9e45c891983cab3350ec2a/FLAG9e6a20eca [2024-11-25 03:18:34,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:18:34,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-25 03:18:34,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/f9dabafe4/3d57a3462f9e45c891983cab3350ec2a/FLAG9e6a20eca [2024-11-25 03:18:35,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/f9dabafe4/3d57a3462f9e45c891983cab3350ec2a [2024-11-25 03:18:35,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:18:35,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:18:35,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:18:35,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:18:35,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:18:35,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:18:35" (1/1) ... [2024-11-25 03:18:35,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34da83b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:35, skipping insertion in model container [2024-11-25 03:18:35,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:18:35" (1/1) ... [2024-11-25 03:18:35,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:18:35,397 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_23561aa5-223e-4c1b-9879-ecea063c5d30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-25 03:18:35,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:18:35,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:18:35,928 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_23561aa5-223e-4c1b-9879-ecea063c5d30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-25 03:18:36,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:18:36,262 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:18:36,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36 WrapperNode [2024-11-25 03:18:36,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:18:36,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:18:36,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:18:36,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:18:36,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:36,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,166 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6571 [2024-11-25 03:18:37,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:18:37,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:18:37,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:18:37,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:18:37,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:37,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:38,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:38,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:18:38,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:18:38,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:18:38,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:18:38,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:18:36" (1/1) ... [2024-11-25 03:18:38,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:18:38,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:18:38,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:18:38,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:18:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:18:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:18:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:18:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:18:38,839 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:18:38,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:18:48,206 INFO L? ?]: Removed 3458 outVars from TransFormulas that were not future-live. [2024-11-25 03:18:48,206 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:19:00,864 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:19:00,864 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:19:00,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:00 BoogieIcfgContainer [2024-11-25 03:19:00,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:19:00,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:19:00,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:19:00,876 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:19:00,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:00" (1/1) ... [2024-11-25 03:19:00,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:19:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:19:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:19:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:19:00,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:16,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:19:26,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:19:30,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:19:38,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:19:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:19:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:19:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:38,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:21:02,300 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:22:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:22:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:22:50,827 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) [2024-11-25 03:22:50,832 INFO L158 Benchmark]: Toolchain (without parser) took 255746.71ms. Allocated memory was 117.4MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 90.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 603.8MB. Max. memory is 16.1GB. [2024-11-25 03:22:50,832 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:22:50,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1177.44ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 58.4MB in the end (delta: 31.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-11-25 03:22:50,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 903.04ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 58.4MB in the beginning and 135.8MB in the end (delta: -77.5MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. [2024-11-25 03:22:50,834 INFO L158 Benchmark]: Boogie Preprocessor took 1093.56ms. Allocated memory is still 285.2MB. Free memory was 135.8MB in the beginning and 106.6MB in the end (delta: 29.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-11-25 03:22:50,835 INFO L158 Benchmark]: RCFGBuilder took 22600.92ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 106.6MB in the beginning and 1.0GB in the end (delta: -897.2MB). Peak memory consumption was 674.4MB. Max. memory is 16.1GB. [2024-11-25 03:22:50,835 INFO L158 Benchmark]: CodeCheck took 229965.55ms. Allocated memory was 1.7GB in the beginning and 2.9GB in the end (delta: 1.2GB). Free memory was 1.0GB in the beginning and 2.3GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:22:50,839 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1177.44ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 58.4MB in the end (delta: 31.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 903.04ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 58.4MB in the beginning and 135.8MB in the end (delta: -77.5MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1093.56ms. Allocated memory is still 285.2MB. Free memory was 135.8MB in the beginning and 106.6MB in the end (delta: 29.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * RCFGBuilder took 22600.92ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 106.6MB in the beginning and 1.0GB in the end (delta: -897.2MB). Peak memory consumption was 674.4MB. Max. memory is 16.1GB. * CodeCheck took 229965.55ms. Allocated memory was 1.7GB in the beginning and 2.9GB in the end (delta: 1.2GB). Free memory was 1.0GB in the beginning and 2.3GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:22:50,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3 --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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:22:53,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:22:53,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:22:53,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:22:53,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:22:53,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:22:53,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:22:53,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:22:53,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:22:53,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:22:53,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:22:53,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:22:53,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:22:53,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:22:53,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:22:53,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:22:53,708 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:22:53,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:22:53,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:22:53,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:22:53,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:22:53,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:22:53,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:22:53,709 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:53,709 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:22:53,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:22:53,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:53,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:22:53,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:22:53,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:22:53,710 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:22:53,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:53,710 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:22:53,710 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_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3 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 -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-11-25 03:22:54,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:22:54,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:22:54,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:22:54,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:22:54,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:22:54,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-25 03:22:57,293 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/b1cdad104/e7dc4843c39e44f3a4b7b83070eb4584/FLAG7329ccf61 [2024-11-25 03:22:57,735 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:22:57,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-25 03:22:57,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/b1cdad104/e7dc4843c39e44f3a4b7b83070eb4584/FLAG7329ccf61 [2024-11-25 03:22:57,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/data/b1cdad104/e7dc4843c39e44f3a4b7b83070eb4584 [2024-11-25 03:22:57,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:22:57,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:22:57,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:57,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:22:57,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:22:57,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:57" (1/1) ... [2024-11-25 03:22:57,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bf73ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:57, skipping insertion in model container [2024-11-25 03:22:57,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:57" (1/1) ... [2024-11-25 03:22:57,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:22:58,065 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_23561aa5-223e-4c1b-9879-ecea063c5d30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-25 03:22:58,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:58,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:22:58,481 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_23561aa5-223e-4c1b-9879-ecea063c5d30/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-25 03:22:58,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:58,699 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:22:58,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58 WrapperNode [2024-11-25 03:22:58,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:58,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:58,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:22:58,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:22:58,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,889 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1819 [2024-11-25 03:22:58,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:58,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:22:58,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:22:58,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:22:58,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:59,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:59,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:59,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:22:59,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:22:59,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:22:59,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:22:59,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:59,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:22:59,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:22:59,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:22:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:22:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:22:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:22:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:22:59,499 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:22:59,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:23:02,630 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-25 03:23:02,630 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:23:02,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:23:02,714 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:23:02,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:23:02 BoogieIcfgContainer [2024-11-25 03:23:02,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:23:02,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:23:02,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:23:02,727 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:23:02,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:23:02" (1/1) ... [2024-11-25 03:23:02,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:23:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:23:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:23:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:23:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:23:02,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:23:02,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:23:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:23:02,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:23:02,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:23:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:03,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:23:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:03,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:23:03,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:23:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:23:03,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:23:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:23:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:23:04,311 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:23:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:23:04,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:23:04,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:23:04,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:23:04,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:23:04,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23561aa5-223e-4c1b-9879-ecea063c5d30/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:23:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:05,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:23:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:05,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-25 03:23:05,976 INFO L279 TraceCheckSpWp]: Computing forward predicates...