./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm --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 9e0a3def16b57bd4db9b30acd3e02a82a41994815b23aec1817b593edd9ed002 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:12,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:12,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:54:12,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:54:12,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:54:12,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:12,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:54:12,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:54:12,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:12,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:12,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:12,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:12,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:12,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:12,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:12,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:12,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:12,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:12,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:12,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:12,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:54:12,190 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:54:12,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:54:12,191 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_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm 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 -> 9e0a3def16b57bd4db9b30acd3e02a82a41994815b23aec1817b593edd9ed002 [2024-11-13 22:54:12,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:12,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:12,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:12,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:12,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:12,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c Unable to find full path for "g++" [2024-11-13 22:54:14,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:15,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:15,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c [2024-11-13 22:54:15,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data/fcc846aab/975d7cd6ec694f629a664a6b73aa1e03/FLAG86f11c58d [2024-11-13 22:54:15,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data/fcc846aab/975d7cd6ec694f629a664a6b73aa1e03 [2024-11-13 22:54:15,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:15,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:15,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:15,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:15,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:15,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:15" (1/1) ... [2024-11-13 22:54:15,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672ed04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:15, skipping insertion in model container [2024-11-13 22:54:15,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:15" (1/1) ... [2024-11-13 22:54:15,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:15,393 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_18695fb1-eb35-477f-9302-6738859043e7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c[1271,1284] [2024-11-13 22:54:15,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:15,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:15,932 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_18695fb1-eb35-477f-9302-6738859043e7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c[1271,1284] [2024-11-13 22:54:16,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:16,255 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:16,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16 WrapperNode [2024-11-13 22:54:16,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:16,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:16,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:16,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:16,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:16,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:16,939 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4630 [2024-11-13 22:54:16,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:16,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:16,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:16,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:16,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:16,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:17,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:17,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:17,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:17,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:16" (1/1) ... [2024-11-13 22:54:17,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:17,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:17,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:17,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:54:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:54:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:54:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:18,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:18,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:26,441 INFO L? ?]: Removed 2548 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:26,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:34,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:34,763 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:54:34,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:34 BoogieIcfgContainer [2024-11-13 22:54:34,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:34,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:34,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:34,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:34,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:34" (1/1) ... [2024-11-13 22:54:34,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 22:54:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 22:54:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:54:34,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:34,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 22:54:59,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:55:09,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:55:19,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:55:29,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:55:31,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:55:41,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:55:51,139 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 [] [2024-11-13 22:55:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-13 22:55:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-13 22:55:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 22:55:51,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:56:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:56:47,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:57:57,907 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) [2024-11-13 22:57:57,914 INFO L158 Benchmark]: Toolchain (without parser) took 222831.92ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 114.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 22:57:57,915 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:57,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1172.19ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 98.9MB in the end (delta: 15.3MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:57,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 682.96ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 98.9MB in the beginning and 241.3MB in the end (delta: -142.4MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2024-11-13 22:57:57,916 INFO L158 Benchmark]: Boogie Preprocessor took 671.88ms. Allocated memory is still 335.5MB. Free memory was 241.3MB in the beginning and 226.2MB in the end (delta: 15.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-13 22:57:57,917 INFO L158 Benchmark]: RCFGBuilder took 17148.00ms. Allocated memory was 335.5MB in the beginning and 671.1MB in the end (delta: 335.5MB). Free memory was 226.2MB in the beginning and 203.6MB in the end (delta: 22.6MB). Peak memory consumption was 372.1MB. Max. memory is 16.1GB. [2024-11-13 22:57:57,921 INFO L158 Benchmark]: CodeCheck took 203148.23ms. Allocated memory was 671.1MB in the beginning and 2.3GB in the end (delta: 1.6GB). Free memory was 203.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 575.3MB. Max. memory is 16.1GB. [2024-11-13 22:57:57,924 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1172.19ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 98.9MB in the end (delta: 15.3MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 682.96ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 98.9MB in the beginning and 241.3MB in the end (delta: -142.4MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 671.88ms. Allocated memory is still 335.5MB. Free memory was 241.3MB in the beginning and 226.2MB in the end (delta: 15.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * RCFGBuilder took 17148.00ms. Allocated memory was 335.5MB in the beginning and 671.1MB in the end (delta: 335.5MB). Free memory was 226.2MB in the beginning and 203.6MB in the end (delta: 22.6MB). Peak memory consumption was 372.1MB. Max. memory is 16.1GB. * CodeCheck took 203148.23ms. Allocated memory was 671.1MB in the beginning and 2.3GB in the end (delta: 1.6GB). Free memory was 203.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 575.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:57:57,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/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_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm --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 9e0a3def16b57bd4db9b30acd3e02a82a41994815b23aec1817b593edd9ed002 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:01,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:01,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:58:01,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:01,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:01,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:01,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:01,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:01,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:01,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:01,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:01,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:01,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:01,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:01,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:58:01,482 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:58:01,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:01,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:58:01,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:01,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:01,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:01,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:01,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:01,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:01,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:58:01,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:01,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:01,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:01,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:01,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:01,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:58:01,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:01,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:58:01,486 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_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm 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 -> 9e0a3def16b57bd4db9b30acd3e02a82a41994815b23aec1817b593edd9ed002 [2024-11-13 22:58:01,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:01,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:01,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:01,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:01,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:01,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c Unable to find full path for "g++" [2024-11-13 22:58:04,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:04,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:04,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c [2024-11-13 22:58:04,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data/3bf36d2b4/8616593325cf43a58b6901ea75eba383/FLAGad49fb633 [2024-11-13 22:58:04,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/data/3bf36d2b4/8616593325cf43a58b6901ea75eba383 [2024-11-13 22:58:04,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:04,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:04,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:04,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:04,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:04,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a267c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04, skipping insertion in model container [2024-11-13 22:58:04,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:04,869 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_18695fb1-eb35-477f-9302-6738859043e7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c[1271,1284] [2024-11-13 22:58:05,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:05,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:05,422 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_18695fb1-eb35-477f-9302-6738859043e7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d16_e0.c[1271,1284] [2024-11-13 22:58:05,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:05,656 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:05,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05 WrapperNode [2024-11-13 22:58:05,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:05,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:05,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:05,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:05,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:05,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:05,893 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1854 [2024-11-13 22:58:05,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:05,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:05,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:05,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:05,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:05,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:05,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:05,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:06,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:06,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:06,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:06,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:06,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:06,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:06,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:06,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:06,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:05" (1/1) ... [2024-11-13 22:58:06,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:06,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:06,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:06,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:58:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:58:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:58:06,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:58:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:06,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:06,723 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:06,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:09,053 INFO L? ?]: Removed 665 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:09,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:09,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:09,200 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:58:09,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:09 BoogieIcfgContainer [2024-11-13 22:58:09,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:09,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:09,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:09,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:09,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:09" (1/1) ... [2024-11-13 22:58:09,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 22:58:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 22:58:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:58:09,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:09,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:58:09,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:58:09,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:58:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:10,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:58:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:11,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:58:11,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:58:12,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:58:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-11-13 22:58:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-13 22:58:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 22:58:13,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:13,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:58:13,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:58:13,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:58:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:15,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:58:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:16,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:58:16,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-13 22:58:18,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:58:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 103 transitions. [2024-11-13 22:58:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-11-13 22:58:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:58:23,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:23,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:58:23,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:58:23,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:58:23,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:58:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:26,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:58:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:28,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-13 22:58:28,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 44 proven. 73 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 22:58:38,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:59:06,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:59:07,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:59:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 191 transitions. [2024-11-13 22:59:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 191 transitions. [2024-11-13 22:59:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:59:20,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:20,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:20,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:20,754 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:20,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:59:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:24,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:25,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-13 22:59:25,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:39,319 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 22:59:39,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-13 22:59:39,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18695fb1-eb35-477f-9302-6738859043e7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:59:39,360 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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) [2024-11-13 22:59:39,365 INFO L158 Benchmark]: Toolchain (without parser) took 94826.30ms. Allocated memory was 83.9MB in the beginning and 595.6MB in the end (delta: 511.7MB). Free memory was 55.4MB in the beginning and 466.8MB in the end (delta: -411.4MB). Peak memory consumption was 303.6MB. Max. memory is 16.1GB. [2024-11-13 22:59:39,366 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:39,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.74ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 32.8MB in the end (delta: 22.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-13 22:59:39,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.71ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 39.6MB in the end (delta: -6.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-13 22:59:39,367 INFO L158 Benchmark]: Boogie Preprocessor took 180.70ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 31.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:59:39,368 INFO L158 Benchmark]: RCFGBuilder took 3125.26ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 31.6MB in the beginning and 24.2MB in the end (delta: 7.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 22:59:39,369 INFO L158 Benchmark]: CodeCheck took 90162.26ms. Allocated memory was 125.8MB in the beginning and 595.6MB in the end (delta: 469.8MB). Free memory was 24.2MB in the beginning and 466.8MB in the end (delta: -442.6MB). Peak memory consumption was 230.3MB. Max. memory is 16.1GB. [2024-11-13 22:59:39,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.74ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 32.8MB in the end (delta: 22.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.71ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 39.6MB in the end (delta: -6.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.70ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 31.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3125.26ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 31.6MB in the beginning and 24.2MB in the end (delta: 7.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * CodeCheck took 90162.26ms. Allocated memory was 125.8MB in the beginning and 595.6MB in the end (delta: 469.8MB). Free memory was 24.2MB in the beginning and 466.8MB in the end (delta: -442.6MB). Peak memory consumption was 230.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants